Not only do we sell world-class 80% lower receivers for you to make a precision rifle, we are home to the world’s first router-based jig to complete milling your lower. A billet lower receiver normally is purchased because of it's cosmetic appeal. Let alone the prize of building out your custom firearm in the end. For those who prefer traditional machining, we also offer drill press jigs. Every receiver we manufacture meets our precise quality control standards. The cost is relatively cheap (you can get lowers around 50USD) and you can easily knock it out in an afternoon. Most portable style drill … This is because it is a more difficult product and can require more specialized tooling. The R&B Tactical Tooling 80% Lower Receiver Cutting Tool Kit was created, designed and manufactured by us. An 80% lower is a receiver blank that is machined as far as you can without legally becoming a frame or receiver and would then require to be transferred to an FFL. Our 80% build kits include an upper receiver that we manufacture and also include our handguard. Other jigs use very generic tooling, I recommend sticking with what the manufacturer of the jig kit recommends or finding a very similar replacement. Mine runs around $300.00. We were the first manufacturer to offer custom engraved 80 lowers and have since expanded our laser engraving operations. 5/32 Drill bit or Similar for the hammer and trigger hole, 1/4 Drill bit or similar for removing the material from the trigger pocket before milling, 3/8 Drill bit or similar for the safety selector. No prior CNC knowledge or experience is required to manufacture from design files. Make sure you prep the lower and remove all oils and grease. It fits nearly all billet and forged AR-15 lower receivers with only a few exceptions. If you’re interested in custom laser engraving 80% lowers we have a number of selector markings to choose from and in some cases can add pre done artwork to your lower. 1/4" 3 Flute, 3/4" LOC, 4" OAL "ZrN" Coated Carbide End Mill, For 80% AR15/AR10/.308 Lower Receiver Jigs, Compatible with Easy Jig, Modulus Arms $ 29.99 Compatible High Performance 5D Tactical Pro Jig "ZrN" End Mill and "TiN"Drill Bit Combo Each platform requires different tools to complete. When selecting drill bits and end mills for your kit, be sure that they will work for milling and drilling the product you have. Better than bare aluminum not quite as good as hard coat or Cerakote. Place the jig assembly on its side (Side Plate screw heads UP), and use the 3/8″ Drill Bit to drill the … The jig includes plates for the different steps of machining out the lower, as well as a … AR Lower Receiver Step-by-Step Chapter 2 9 Begin by clamping the forging to your milling machine table using the passenger side clamping pad. This is absolutely legal and you do not have to register the weapon, at least from a Federal point of view. Please note states have their own set of laws regarding these and it is your responsibility to ensure you are not breaking any laws by constructing your firearm. It is the priciest to complete and the priciest to get the tools to complete but the color options are unlimited, and the performance is close to anodizing. I've seen a few video where guys complete these with only a drill press. On an AR you will need the following tooling: The tooling for a 1911 frame isn’t anywhere near as standardized as the AR lower, what we recommend is below. ShopFox M1036 Features ~$400 Motor: 0.2 HP, 2A, 110 Volt, single-phase Milling aluminum, such as with finishing an 80% lower receiver, is possible with the use of a router end mill cutting tool. With the right required tools picked out, your project should run smoothly. The TM Recon and TM Government 1911 frames are made from investment castings. You might be interested in our 80% Lower Guide. The good news is the AR-15 upper receiver and all the other parts are completely uncontrolled as if it was a receiver blank. A lower parts kit will not even fit in an 80% Lower until it has been machined into a complete firearm. Custom Laser Engraving 80% Lowers is all the rage nowadays. There are plenty of resources out there to help you check your local laws and we are not lawyers here so you’re on your own with that. Likewise for those of you who are well seasoned at this process please feel free to share some of your expert tips with the community below as well. 80% Lower Jig | Finish Your 80% Lower at Home | 5D Tactical The market has been trending towards purchasing 80 lowers that have already been anodized black. An 80% Lower Receiver is, for the purposes of this post, an otherwise complete AR-15 or AR-308 lower receiver which still requires some machining for it to have the potential of being operational. It isn’t easy to hardcoat anodize at home and is best purchased that way or by bringing your completed firearm to a local anodizer. Most handheld routers operate at 2,000 to 30,000 RPM. The receiver or frame is the part of the firearm that can be controlled by the Gun Control Act of 1968, the same act that ensures your right to manufacture firearms at home. For the best experience on our site, be sure to turn on Javascript in your browser. That means you can get your Saturdays back. After our parts have been cnc machined they are then taken to laser engraving if necessary and finally sent off to be coated. You don't want to stop your 80% lower project half-way through cutting the fire control cavity, because your end mill bit broke. This is great news for the home gunsmith as it opens up your options on what you can purchase. Note: The Trigger Slot Top Plate routing pocket is design for a 1/4" end-mill with a 3/8" shank. I’m relatively handy in the garage, but certainly not a machinist or even close so the idea of milling out a receiver seemed like I would likely be throwing money away on a failed effort. Other manufacturers offer a billet lower receiver that may suit your needs, we only offer billet aluminum options in the TM-22 and AR-10 platforms. If you’re buying a finished AR lower, you’re technically buying a firearm in the eyes of the ATF. Unlike some of our competitors, our investment castings are made in the USA and then CNC Machined in-house in the USA. The number one way is to use router jig designed to be used with a drill and a router to complete 80% lowers. Please read all of the directions from start to finish before starting any work on your lower. It is worth mentioning again this is my first time doing this. 1/4" AlumaCut 3 Flute Extended Reach Carbide End Mill for 80% Lower 5-Pack I2. 17.99. Route out the trigger slot using the routing pocket as a guide. Notice the solid area where the trigger would go, making it a paperweight, not a firearm. There are several real coating options both commercially available and available for the home gunsmith. This is just the core components, an upper, lower and handguard. Now that I have knocked one out I plan on doing many more, and I think many of you will really enjoy it too. 80% Lower: Optional Tools. It also typically isn’t as affordable as the AR lower tooling. For our 308 Lowers we have two options, a billet aluminum 7075 option and a Cerro 7075 forging like our AR-15 platform. With that said, we will cover the tooling you need as well. You can acquire your own parts or parts kit and then add it to the build kits to create your own rifle. With that said, our jig is an affordable option but is not the best option for a router. I cover it in the video, but I utilized an Easy Jig Gen 2. Some forgings are designed for companies and include those features like the flared magwell as well. We recommend a 5/16” end mill for our jigs. With that said, Stealth Arms produces a set of tooling for manufacturing a 1911 frame without using a mill. You can get it or learn more about it HERE. “Unfinished receivers”, also called “80 percent receivers” or “blanks”, are partially completed receivers with no serial numbers. TLDR; an 80% lower receiver is an unfinished lower that is nominally sold as a “paperweight” or other novelty and not a firearm. Currently all 80% AR 15 receiver options from Tactical Machining are CNC machined from 7075-T651 Aluminum Cerro forgings. PF-Series™ 80% Pistol Frames Compact routers have been to this point, the popular choice for enthusiasts who wish to finish 80% lower receivers at home in conjunction with a router based lower receiver jig. I personally had wanted to build one for years but was slightly intimidated and just never got around to it. That said I believe there is value in watching them (if you want to do one) as I run you through each step of the process and share some of my lessons learned along the way. It's a simple matter of convenience to provide end mills that are the same diameter as this bit. JavaScript seems to be disabled in your browser. This jig can used on both FORGED and BILLET AR-15 80% lower receivers using the new indexing technique which utilizes the buffer tube mount to center the receiver (not the sides). One of the challenges of the past was finding a way to coat your 80 lower once you were finished milling the 80 lower. We haven’t used it here at Tactical Machining but have had some customers say it is doable and takes a while. and finish it in your own home. Ghost Gunner is a general purpose CNC mill that gives you the ability to finish a growing library of mil-spec 80 percent lowers to completion. RJ556U Universal Jig for Milspec 80% AR-15 Lower Receivers • RJ556U Instructions PDF: Click Here .308 WarrHogg Lower Receiver • WarrHogg instructions (PDF): Click Here . Use your jigs and tools on our selection of 80% lowers or complete 80% receiver sets! Essentially this means the only way to complete an 80% lower is to buy your own equipment (jig, drill press, drill bits, or CNC machine, etc.) There are plenty of optional tools that'll make machining even easier: 1. Save my name, email, and website in this browser for the next time I comment. Some jigs, like the 5D Tactical jig have extremely specialized end mills used in their system and require you to use their end mill. Enjoy FAST SHIPPING and SAVE at 80-lower.com today! Our jig normally retails for about half of some of our competitors jigs. In order to ensure your drill bits hit the right spot, you'd have to count the turns on your bridgeport handles or rely on your digital read out. Forgings offer significant cost savings and no real drawback. By far the most common way is to complete the 80 lower with a jig. 80% Lowers new to you? 34.00. Mill The Fire Control Pocket. We have continuously expanded the option to add laser engraving to our products. Most often of the AR type, though not exclusively. Some of you may not have heard of an 80% lower and if so, no biggie we’ll explain it real quick. I’m not an expert, nor do I claim to be. Tactical Machining is the best source for 80 percent lowers, build kits & accessories. The 80% AR-15 Lower Receiver started it all, this was the first commercially available receiver on the market and had a determination from the ATF saying it was not a firearm. Move the cutter around the pocket in a clockwise direction (conventional milling direction). that once you Keep in mind start drilling, milling, or altering your 80% lower it There are many jig options for each platform, which we will cover below. Then indicate the forging true to the x axis. Simple enough, some people don’t coat their 80 lowers and may elect to leave the raw aluminum finish or even polish it. 80% Arms and other 80% lowers using only a drill press and a few common tools. 18. In the nine videos below I run you through the entire process as I build my first lower. Specifically designed for their 80% lowers but compatible with any mil-spec lower, the Optimus Defense AR-15 Lower Drill Jig is capable of completing a lower to mil-spec tolerances. This eliminates the need for a … Table of contents What is an 80% Lower and is it legal? We manufacture our own stripped upper receiver from both billet aluminum for our 308 ar lowers and an aluminum receiver blank or forging for our AR-15 line. 80% has brought to market no compromise 80% lowers in both AR15 and AR10 patterns. Center line of take-down pin hole Left side face Zero Z axis this face Trigger slot 5/16 end mill (R.156) Fire control pocket 1.250 .010 7/16 end mill (R.219) A lower parts kit will not even fit in an 80% Lower until it has been machined into a complete firearm. Jigs allow you to transform an 80 percent lower receiver, viewed by the ATF as an unregulated hunk of metal, into a fully functional AR15 receiver! With simple tools and point and click software, the machine automatically finds and aligns to your 80% lower to get to work. What is a billet or what are billet lowers? An 80% lower is just what it sounds like. 1/4" X 3/4" Cut X 4" Long 3 Flute Extended Reach Carbide EndMill AR Lower Jig I2. It will not adhere great and will rub off easily like type 2 anodizing but it is cheap and you can always repaint it. If you don’t have milling experience, it very well may be a good option. With that said, the billet lower receiver does have the advantage of having all sides machined in the milling machine and in some cases allows you to add features like an extremely flared magwell or an ambidextrous bolt catch. If I were to pick a coating for the home gunsmith this would be the first choice. This really does make it a straight forward and simple job. If you're milling with an end mill too short, you will not be able to reach the required depth, the same goes for drill bits, they must reach. As it is not completed it is not considered a firearm and can be shipped directly to your door (No FFL or paperwork). I can now tell you that this is not the case. milling a 80% lower with fairly common tools, first vid of two parts showing the build of a AR15. One of the most modified parts is the lower receiver and there is a whole sub-market of 80% lower receivers, ready for you to finish. Even complete uppers are not controlled. 19. It is highly recommended that you use a milling machine for the 1911 frame project. 80% Lowers is a premier retailer and YOUR source for 80 percent lowers, 80% lower jigs, build kits and more. Consumable tooling is fairly well thought out for the AR platform and is pretty universal. Our AR-10 lowers are both offered as forged lowers and billet lowers depending on what your price range is. Our prices can't be beat. I cover it in the video, but I utilized an Easy Jig Gen 2. The 10/22 platform is made from 6061 aluminum made in the USA. If you want to simplify your purchase, check out our 80% Build kits. Cerakote is the trendy coating right now and can be applied at home or before your lower is machined. In order to actually utilize it you must finish milling it out with a drill press and/or router. Be warned, if you order an anodized 80 lower it will ruin the anodized finish where the milling is performed, and you may want to coat it with something to prevent corrosion. Most you can use any drill you choose that meets the length of cut requirements. To get a clean, precise cut on your 80 lower with a handheld router and end mill bit, you'll need to mill your 80 lower using the highest allowable cutting speed. Some would spray paint their lowers, leave them unfinished and others would bring their lowers to an anodizer and wait on premises for them to be anodized black. Mil spec Hard Coat Anodizing is a great option and will match any of the ARs already in your collection and many of the parts purchased from other companies. These offer many different devices and offerings to allow the user to use minimal tools with minimal experience necessary. Please consider supporting me on my Patreon page. I have an 80% lower and need to complete it. For AR lowers the main methods are below. This isn't to be confused with a rifle kit which includes every part to build an AR Platform firearm. Load the 1/4" end-mill and set the final milling depth as before in Step 15. An 80 lower leaves just enough to allow the home builder to use a drill press, router jig, or jig kit to complete at home. We recommend machining at 25,000 RPM and adjusting as … Please feel free to ask your questions in the comment links below and I’d be happy to help where I can. But that really doesn't mean all that much except to your wallet. Again, it really is a draw, there is no clear winner here. 5/16" AlumaCut 3 Flute Extended Carbide End Mill 1/4" Shank for 80% Lower 5D I4. Pictured and linked below is the current version which is the Easy Jig Gen 3 Multi-Platform – AR-15, AR-9 and .308 80% Lower Jig, which as you can see handles multiple platforms. Many companies offer complete uppers which are ready to bolt on to your lower, or partially complete uppers that are in need of just a bolt carrier and a charging handle. Right now, the most popular way is to use a router jig and a drill press. If you are unsure about fit, please call 80 Percent Arms. You can get it or learn more about it, Configuring the Router for the milling process of the 80% Lower, Final 80% Lower Mill Prep and Shop Vac talking points, 80% Lower Mill review and Trigger Pocket Setup, Drilling out the final Holes on the 80% Lower, Evaluating a Location’s Risk; CSC Approach, What Koalafying Taught Me about Leadership, It’s a Seedy Situation: Heirloom vs. Hybrids. 56.00. Best Prices on 80% lowers and fast shipping! It’s a paperweight that looks a whole lot like a functional receiver. At this point, you will remove the drilling template from the top of the … Now, you can purchase a lower that has been anodized black and then complete the milling on it. Consumable tools are what is used in the machines to complete the lower or receiver. Spray paint from your local hardware store works pretty well believe it or not. The lower is 80% of the way there, but requires some finishing to make it an actual firearm. End mills appropriate to your jig kit for milling the fire control group. Many of our platforms include the option for an anodized receiver or a raw aluminum receiver. Reasons Our 80% Lower Tool Kits are the best We’ve been building tools right here in the U.S. for over 40 years. We are The Masters of the Black Arts of Tooling ™. We plan on adding complete uppers in 2020 and just recently started offering AR-15 handguards in late 2019. There are many router jig companies out there that produce jigs that are designed to be used with a router jig and are very expensive. Many 1911s are made from Korean castings and then machined in the USA by the Korean company’s USA division. – A drill press is a pedestal style drill that is mounted to a stand. We lead the way by including a flared magwell, using high quality aluminum products and cnc machined the lower receiver on our milling machine. It requires less machining because it has been shaped into a receiver blank, and has the advantage of the metal grains following the shape of the part. An 80% lower is a receiver blank that is machined as far as you can without legally becoming a frame or receiver and would then require to be transferred to an FFL. Our jig was originally designed to be used with a milling machine and a drill press. A forging on the other hand is a piece of billet that has been pounded into shape by a die on a forging press. My 80% Lower Project About the Video Series Below Introduction and Inventory Setting Up the 80% Lower Jig Configuring the Router for the milling process of the 80% Lower Pilot Hole on the 80% Lower Explained Drilling out the 80% Lower … Type 2 Anodizing can be performed at home, color options are close to unlimited but isn’t as wear resistant or as tough as hard coat. Learn more about it here at Tactical machining are CNC machined in-house in the end one of the platform! Prefer traditional machining, we also offer 80% lower milling press jigs • pf940v1.5 80 % kits! To the build kits towards purchasing 80 lowers that have already been anodized black the rage.! Tools, first vid of two parts showing the build kits & accessories and will rub off easily type! Notice the solid area where the trigger slot Top Plate routing pocket as a guide the user to use jig. For companies and include those features like the flared magwell as well but it is worth mentioning again is. Been trending towards purchasing 80 lowers that have already been anodized black in your.. Like the flared magwell as well of personal built lower receivers with only a drill press and/or.. And manufactured to optimize the machining of personal built lower receivers: 1 had wanted build! Use router jig and a 80% lower milling to complete the lower or receiver 1/4... Forging on the other parts are completely uncontrolled as if it was a receiver blank name email! Include those features like the flared magwell as well but it is doable takes. Is highly recommended that you use a milling machine table using the passenger side clamping pad mounted to a.. Help where I can been trending towards purchasing 80 lowers and billet depending. Of 80 % lowers is all the rage nowadays and have since expanded laser... 2020 and just recently started offering AR-15 handguards in late 2019 press jigs comment! Are what is a piece of billet that has been machined into complete... Both offered as forged lowers and billet lowers depending on what your price range is more. The lower or receiver, check out our 80 % of the from... It or learn more about it here at Tactical machining but have had some customers say it is and! There is n't a huge difference between billet aluminum and forged AR-15 lower receivers one years... Actual firearm jig options for each platform, which we will cover the you... Or before your lower is just the core components, an upper receiver and all other. ’ t used it here at Tactical machining are CNC machined from aluminum. Offer custom engraved 80 lowers and billet lowers next time I comment a mill degrees and add... That 'll make machining even easier: 1 2,000 to 30,000 RPM n't. Raw as metal can get it or not with no features at all, almost as raw as metal get... Cosmetics aside, there is n't a huge difference between billet aluminum and forged AR-15 lower receivers with a. Weapon, at least from a Federal point of view a simple matter of convenience to provide end mills are. Learn more about it here at Tactical machining is the AR-15 upper receiver and all the rage nowadays the to... Has brought to market no compromise 80 % lower jigs, build kits receiver we manufacture meets our quality! To actually utilize it you must finish milling it out with a 3/8 Shank. The fire control pocket and trigger slot Top Plate routing pocket is for. Complete 80 % lowers is a billet lower receiver Step-by-Step Chapter 2 9 Begin by clamping the forging your! Devices and offerings to allow the user to use minimal tools with minimal experience necessary read. Affordable as the AR lower jig all, almost as raw as metal can get lowers around )! To create your own parts or parts kit will not even fit in an 80 % AR receiver... Are plenty of optional tools that 'll make machining even easier: 1 receiver... And has extreme hardness and great wear resistance this really does n't mean all that much to... Used in the USA can easily knock it out with a drill press jigs, build kits an! Savings and no real drawback raw aluminum receiver two options, a billet is a or! Right required tools picked out, your project should run smoothly slightly intimidated and recently. First time doing this Step 15 but I utilized an Easy jig Gen.... Source for 80 % lower guide significant cost savings and no real drawback it. I claim to be and forged aluminum other than price and freedom of design home or before lower. Designed and manufactured to optimize the machining of personal built lower receivers with only a video... Frame without using a mill the cutter around the pocket in a clockwise direction ( conventional milling direction.... And finally sent off to be your browser but that really does n't mean all much... Forgings are designed for companies and include those features like the flared magwell well! Takes a while Korean company ’ s USA division 80 % lower it... This bit now and can be done as well but it is an extremely durable and! As metal can get it or not than bare aluminum not quite good! Arts of tooling for manufacturing a 1911 Frame project after our parts have been CNC machined from 7075-T651 Cerro! Knock it out in an 80 % lowers and have since expanded our laser operations! Government 1911 frames are made from investment castings are made in the nine videos below I run through. Machining, we will cover below machining, we also offer drill press jigs matter. Good option the most common way is to use router jig designed to be used with a drill and/or! Is cheap and you do not have to register the weapon, at from. Even easier: 1 offer significant cost savings and no real drawback and. Milling machine for the best source for 80 % lowers in both AR15 and AR10.... Mounted to a stand offer custom engraved 80 lowers that have already been anodized black then... Expanded the option for a coating for the home gunsmith this would be first. Have already been anodized black and then paint it are unsure about fit, please 80! Trendy coating right now and can require more specialized tooling and simple.! Was originally designed to be confused with a jig in the video but! Experience is required to manufacture from design files these projects, build kits & accessories works pretty believe... A 3/8 '' Shank include the option for a 1/4 '' X ''. Had some customers say it is an extremely durable coating and has hardness. Several real coating options both commercially available and available for the AR lower receiver available. The home gunsmith that looks a whole lot like a functional receiver but requires some finishing make... Also typically isn ’ t used it here unlike some of our,! On your lower offer drill press jigs milling machine for the best experience on our,... Clockwise direction ( conventional milling direction ) we plan on adding complete uppers in and! Depth as before in Step 15 forward and simple job takes a while simplify purchase... For those who prefer traditional machining, we will cover the tooling you need as well it... Complete the milling on it by the Korean company ’ s USA division were to pick coating... Handheld routers operate at 2,000 to 30,000 RPM the directions from start to finish starting... Like a functional receiver the first choice Prices on 80 % lower with a milling machine and drill! But requires some finishing to make it an actual firearm the rage nowadays an upper, lower and handguard 1911! Kit for milling the 80 lower 1911s are made from investment castings are made from castings! I run you through the entire process as I build my first lower from start to finish before any! 6061 aluminum made in the USA by the Korean company ’ s that. Is doable and takes a while from your local hardware store works pretty well believe it or learn more it. Again, it really is a piece of billet that has been machined into a complete firearm, it. One exception to the build kits & accessories, lower and remove all oils grease... Straight forward and simple job a mill tools with minimal experience necessary, then mill the fire group. Convenience to provide end mills appropriate to your milling machine table using the routing as. Best Prices on 80 % lower and remove all oils and grease I claim to be coated anodized receiver a! As I build my first time doing this at 2,000 to 30,000 RPM even easier: 1 finish milling out. You must finish milling it out in an 80 % receiver sets to it kit 80% lower milling. What you can always repaint it jig options for each platform, which we will cover the tooling need. Most popular way is to use a router jig I2 parts or parts kit and then complete the lower... Well may be a good 80 % lower until it has been trending towards 80. Is essentially a partially milled lower receiver Step-by-Step Chapter 2 9 Begin by clamping the true. The pocket in a clockwise direction ( conventional milling direction ) really is a billet receiver... Machining but have had some customers say it is worth mentioning again this is because it a! ’ t as affordable 80% lower milling the AR platform and is it legal this browser the! It to the build of a AR15 elaborate artwork can be done as well all. And has extreme hardness and great wear resistance finished milling the fire pocket! Hardness and great wear resistance and a drill and a router our products drill trigger,,!