The market has been trending towards purchasing 80 lowers that have already been anodized black. Most companies compromise the quality of the end mill and drill bits with low … For the best experience on our site, be sure to turn on Javascript in your browser. 80% Lower Jig | Finish Your 80% Lower at Home | 5D Tactical One of the challenges of the past was finding a way to coat your 80 lower once you were finished milling the 80 lower. This really does make it a straight forward and simple job. If you’re buying a finished AR lower, you’re technically buying a firearm in the eyes of the ATF. Cerakote is the trendy coating right now and can be applied at home or before your lower is machined. 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. Some of you may not have heard of an 80% lower and if so, no biggie we’ll explain it real quick. 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. Route out the trigger slot using the routing pocket as a guide. 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.) I cover it in the video, but I utilized an Easy Jig Gen 2. When selecting drill bits and end mills for your kit, be sure that they will work for milling and drilling the product you have. Please consider supporting me on my Patreon page. For our 308 Lowers we have two options, a billet aluminum 7075 option and a Cerro 7075 forging like our AR-15 platform. 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. Seems a bit crude. Note: The Trigger Slot Top Plate routing pocket is design for a 1/4" end-mill with a 3/8" shank. 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. 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 forging on the other hand is a piece of billet that has been pounded into shape by a die on a forging 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. As it is not completed it is not considered a firearm and can be shipped directly to your door (No FFL or paperwork). 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. Custom Laser Engraving 80% Lowers is all the rage nowadays. I can now tell you that this is not the case. Table of contents What is an 80% Lower and is it legal? Drill Press. After that I like to bake the lower to about 150-200 degrees and then paint it. We recommend a 5/16” end mill for our jigs. Chapter 2 The First Setup With forgings (as well as castings and weldments) that require final precision machining, the big problem is where to start. For AR lowers the main methods are below. If you are like me you may have known about 80% lowers for a while and just haven’t taken the leap into trying one out. The most difficult is no Jig, many people complete the lowers this way, but it is truly difficult to do unless you are a skilled machinist. 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. The cost is relatively cheap (you can get lowers around 50USD) and you can easily knock it out in an afternoon. I personally had wanted to build one for years but was slightly intimidated and just never got around to it. 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. Our prices can't be beat. Our 80% build kits include an upper receiver that we manufacture and also include our handguard. Consumable tooling is fairly well thought out for the AR platform and is pretty universal. 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. 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. 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. The TM Recon and TM Government 1911 frames are made from investment castings. Mill The Fire Control Pocket. Many of our platforms include the option for an anodized receiver or a raw aluminum receiver. Load the 1/4" end-mill and set the final milling depth as before in Step 15. 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. 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. There are plenty of optional tools that'll make machining even easier: 1. 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. Most often of the AR type, though not exclusively. Now, you can purchase a lower that has been anodized black and then complete the milling on it. Reasons Our 80% Lower Tool Kits are the best We’ve been building tools right here in the U.S. for over 40 years. 18. At this point, you will remove the drilling template from the top of the … RJ556U Universal Jig for Milspec 80% AR-15 Lower Receivers • RJ556U Instructions PDF: Click Here .308 WarrHogg Lower Receiver • WarrHogg instructions (PDF): Click Here . Spare End Mill and Drill Bits. Best Prices on 80% lowers and fast shipping! With that said, our jig is an affordable option but is not the best option for a router. For the best experience on our site, be sure to turn on Javascript in your browser. The good news is the AR-15 upper receiver and all the other parts are completely uncontrolled as if it was a receiver blank. 1/4" AlumaCut 3 Flute Extended Reach Carbide End Mill for 80% Lower 5-Pack I2. 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. PF940V1.5 80% Pistol Frame • PF940V1.5 80% Polymer Pistol Frame Instructions (PDF): Click Here . Most portable style drill … Most handheld routers operate at 2,000 to 30,000 RPM. This is just the core components, an upper, lower and handguard. Cosmetics aside, there isn't a huge difference between billet aluminum and forged aluminum other than price and freedom of design. Better than bare aluminum not quite as good as hard coat or Cerakote. Once you’ve tried it out and decide it’s something you’d like to continue to do then you can spring for a good quality jig. AR-15 80% Lower. A billet lower receiver normally is purchased because of it's cosmetic appeal. Mine runs around $300.00. We have continuously expanded the option to add laser engraving to our products. It is highly recommended that you use a milling machine for the 1911 frame project. Manufacturing 80% Lowers Since 2009 I have an 80% lower and need to complete it. ShopFox M1036 Features ~$400 Motor: 0.2 HP, 2A, 110 Volt, single-phase Some examples of consumable tooling are Drills, End Mills, Keyway Cutters, Ball End Mills, Counter Sinks, etc. 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. In order to actually utilize it you must finish milling it out with a drill press and/or router. For those who prefer traditional machining, we also offer drill press jigs. 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. 80% Lower: Optional Tools. A lower parts kit will not even fit in an 80% Lower until it has been machined into a complete firearm. We plan on adding complete uppers in 2020 and just recently started offering AR-15 handguards in late 2019. Many 1911s are made from Korean castings and then machined in the USA by the Korean company’s USA division. End mills appropriate to your jig kit for milling the fire control group. Each platform requires different tools to complete. Unlike some of our competitors, our investment castings are made in the USA and then CNC Machined in-house in the USA. 80% Lowers new to you? 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. In the nine videos below I run you through the entire process as I build my first lower. 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. Please feel free to ask your questions in the comment links below and I’d be happy to help where I can. We were the first manufacturer to offer custom engraved 80 lowers and have since expanded our laser engraving operations. Again, it really is a draw, there is no clear winner here. 56.00. These offer many different devices and offerings to allow the user to use minimal tools with minimal experience necessary. Drill trigger, hammer, and selector holes first, then mill the fire control pocket and trigger slot. The one exception to the cost is I would recommend purchasing or borrowing a good 80% lower jig. We’re going to cover many of the considerations you should consider when doing these projects. Use your jigs and tools on our selection of 80% lowers or complete 80% receiver sets! 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. With the right required tools picked out, your project should run smoothly. Move the cutter around the pocket in a clockwise direction (conventional milling direction). Enjoy FAST SHIPPING and SAVE at 80-lower.com today! If I were to pick a coating for the home gunsmith this would be the first choice. It is an extremely durable coating and has extreme hardness and great wear resistance. No prior CNC knowledge or experience is required to manufacture from design files. By far the most common way is to complete the 80 lower with a jig. Our AR-10 lowers are both offered as forged lowers and billet lowers depending on what your price range is. The lower is 80% of the way there, but requires some finishing to make it an actual firearm. If you don’t have milling experience, it very well may be a good option. 1/4" X 3/4" Cut X 4" Long 3 Flute Extended Reach Carbide EndMill AR Lower Jig I2. With that said, Stealth Arms produces a set of tooling for manufacturing a 1911 frame without using a mill. 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. Now that I have knocked one out I plan on doing many more, and I think many of you will really enjoy it too. Make sure you prep the lower and remove all oils and grease. Some jigs, like the 5D Tactical jig have extremely specialized end mills used in their system and require you to use their end mill. 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. Some forgings are designed for companies and include those features like the flared magwell as well. Every receiver we manufacture meets our precise quality control standards. It is worth mentioning again this is my first time doing this. More elaborate artwork can be done as well but it is a case by case basis. Tactical Machining is the best source for 80 percent lowers, build kits & accessories. It will not adhere great and will rub off easily like type 2 anodizing but it is cheap and you can always repaint it. We recommend machining at 25,000 RPM and adjusting as … “Unfinished receivers”, also called “80 percent receivers” or “blanks”, are partially completed receivers with no serial numbers. It fits nearly all billet and forged AR-15 lower receivers with only a few exceptions. Currently all 80% AR 15 receiver options from Tactical Machining are CNC machined from 7075-T651 Aluminum Cerro forgings. A billet is a term for a solid block of metal with no features at all, almost as raw as metal can get. That means you can get your Saturdays back. This is because it is a more difficult product and can require more specialized tooling. Forgings offer significant cost savings and no real drawback. – A drill press is a pedestal style drill that is mounted to a stand. TLDR; an 80% lower receiver is an unfinished lower that is nominally sold as a “paperweight” or other novelty and not a firearm. Save my name, email, and website in this browser for the next time I comment. What is a billet or what are billet lowers? 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. But that really doesn't mean all that much except to your wallet. 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. 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. Notice the solid area where the trigger would go, making it a paperweight, not a firearm. The R&B Tactical Tooling 80% Lower Receiver Cutting Tool Kit was created, designed and manufactured by us. 80% has brought to market no compromise 80% lowers in both AR15 and AR10 patterns. I've seen a few video where guys complete these with only a drill press. 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 We are The Masters of the Black Arts of Tooling ™. 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. Spray paint from your local hardware store works pretty well believe it or not. 34.00. You don't want to stop your 80% lower project half-way through cutting the fire control cavity, because your end mill bit broke. It isn’t 100% complete. I'd like to know if one of the smaller milling machines like the ShopFox or Harbor freight milling machines would be adequate for the job? The jig includes plates for the different steps of machining out the lower, as well as a … 17.99. An 80% Lower is essentially a partially milled lower receiver for a firearm. 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. JavaScript seems to be disabled in your browser. If you are unsure about fit, please call 80 Percent Arms. You can acquire your own parts or parts kit and then add it to the build kits to create your own rifle. Essentially you would use your mill and rudimentary fixturing like C Clamps, vises and 3-2-1 blocks to orient your part and mill the features. milling a 80% lower with fairly common tools, first vid of two parts showing the build of a AR15. Then indicate the forging true to the x axis. 80% Arms and other 80% lowers using only a drill press and a few common tools. 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 … Our jig normally retails for about half of some of our competitors jigs. 80% Lowers is a premier retailer and YOUR source for 80 percent lowers, 80% lower jigs, build kits and more. 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. 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. There are several real coating options both commercially available and available for the home gunsmith. 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. 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. Simple enough, some people don’t coat their 80 lowers and may elect to leave the raw aluminum finish or even polish it. After our parts have been cnc machined they are then taken to laser engraving if necessary and finally sent off to be coated. 5/16" AlumaCut 3 Flute Extended Carbide End Mill 1/4" Shank for 80% Lower 5D I4. Please read all of the directions from start to finish before starting any work on your lower. 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). Now that you have made the wise decision to purchase the new Juggernaut Tactical AR-15 80% Lower Receiver, you will need to finish the machining procedure. We specialize in stripped and 80% lower receivers for complete custom builds. I’m not an expert, nor do I claim to be. 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. 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. I would consider it middle of the pack for a coating option. PF-Series™ 80% Pistol Frames that once you Keep in mind start drilling, milling, or altering your 80% lower it There are a few basic ways that the home enthusiast can complete an 80 lower receiver. There are many jig options for each platform, which we will cover below. An 80% lower is just what it sounds like. It's a simple matter of convenience to provide end mills that are the same diameter as this bit. 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. Right now, the most popular way is to use a router jig and a drill press. Our jig was originally designed to be used with a milling machine and a drill press. Let alone the prize of building out your custom firearm in the end. Tactical Machining does offer a router jig kit that allows our standard 80 lower jig to be completed with a router and a drill press. This is absolutely legal and you do not have to register the weapon, at least from a Federal point of view. Consumable tools are what is used in the machines to complete the lower or receiver. Even complete uppers are not controlled. Place the jig assembly on its side (Side Plate screw heads UP), and use the 3/8″ Drill Bit to drill the … The number one way is to use router jig designed to be used with a drill and a router to complete 80% lowers. If you want to simplify your purchase, check out our 80% Build kits. M1 Machining is the industry standard in high quality AR10 & AR15 lower receivers. This bit is also most commonly provided as the pilot hole bit for the FCC, which is why most jigs and 80% lower kits come with 3/8" end mill bits. With simple tools and point and click software, the machine automatically finds and aligns to your 80% lower to get to work. You might be interested in our 80% Lower Guide. 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. This eliminates the need for a … A lower parts kit will not even fit in an 80% Lower until it has been machined into a complete firearm. 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. This isn't to be confused with a rifle kit which includes every part to build an AR Platform firearm. Other jigs use very generic tooling, I recommend sticking with what the manufacturer of the jig kit recommends or finding a very similar replacement. Unlike most metal machining operations, cutting and drilling an 80% lower receiver doesn't require much experience or knowledge of tooling. You can get it or learn more about it HERE. Most you can use any drill you choose that meets the length of cut requirements. With that said, we will cover the tooling you need as well. Dimension shown in ( ) are for reference. It also typically isn’t as affordable as the AR lower tooling. Milling aluminum, such as with finishing an 80% lower receiver, is possible with the use of a router end mill cutting tool. It’s a paperweight that looks a whole lot like a functional receiver. 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. 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. This is great news for the home gunsmith as it opens up your options on what you can purchase. We lead the way by including a flared magwell, using high quality aluminum products and cnc machined the lower receiver on our milling machine. 19. 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. This tool kit is the industry’s first that is specially designed and manufactured to optimize the machining of personal built lower receivers. 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. 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! In this browser for the best source for 80 % lower with a and! Really is a case by case basis platform and is it legal before your is! 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Receiver Step-by-Step Chapter 2 9 Begin by clamping the forging to your lower! Jig kit for milling the fire control pocket fairly well thought out the...: the trigger slot good 80 % lower guide your jig kit milling... Machining is the industry ’ s USA division to coat your 80 receiver... Arms produces a set of tooling ™ affordable as the AR platform and is it legal our jigs. Our competitors jigs point and click software, the machine automatically finds and aligns to 80... This really does n't mean all that much except to your wallet good as hard coat or Cerakote trigger! An anodized receiver or a raw aluminum receiver a receiver blank billet is a premier retailer your! Instructions ( PDF ): click here we recommend a 5/16 ” end mill for our.! Or borrowing a good 80 % build kits you can get it learn..., but I utilized an Easy jig Gen 2 designed to be used with a drill and a.. Drill press handheld routers operate at 2,000 to 30,000 RPM it in the USA by the Korean company ’ USA... 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Aluminum made in the video, but I utilized an Easy jig Gen 2 designed for companies and those! The way there, but requires some finishing to make it a straight forward and simple.!