80% lower milling

Spray paint from your local hardware store works pretty well believe it or not. We’re going to cover many of the considerations you should consider when doing these projects. For our 308 Lowers we have two options, a billet aluminum 7075 option and a Cerro 7075 forging like our AR-15 platform. 80% Lowers new to you? Again, it really is a draw, there is no clear winner here. M1 Machining is the industry standard in high quality AR10 & AR15 lower receivers. The market has been trending towards purchasing 80 lowers that have already been anodized black. I cover it in the video, but I utilized an Easy Jig Gen 2. The jig includes plates for the different steps of machining out the lower, as well as a … 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 … 17.99. You can acquire your own parts or parts kit and then add it to the build kits to create your own rifle. 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. Unlike some of our competitors, our investment castings are made in the USA and then CNC Machined in-house in the USA. Save my name, email, and website in this browser for the next time I comment. If you don’t have milling experience, it very well may be a good option. 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) 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. We are The Masters of the Black Arts of Tooling ™. It's a simple matter of convenience to provide end mills that are the same diameter as this bit. Notice the solid area where the trigger would go, making it a paperweight, not a firearm. 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. Milling aluminum, such as with finishing an 80% lower receiver, is possible with the use of a router end mill cutting tool. The number one way is to use router jig designed to be used with a drill and a router to complete 80% lowers. We lead the way by including a flared magwell, using high quality aluminum products and cnc machined the lower receiver on our milling machine. Most you can use any drill you choose that meets the length of cut requirements. This tool kit is the industry’s first that is specially designed and manufactured to optimize the machining of personal built lower receivers. Most often of the AR type, though not exclusively. Custom Laser Engraving 80% Lowers is all the rage nowadays. There are several real coating options both commercially available and available for the home gunsmith. JavaScript seems to be disabled in your browser. 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. and finish it in your own home. 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? 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. 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. Drill Press. 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. 80% Lowers is a premier retailer and YOUR source for 80 percent lowers, 80% lower jigs, build kits and more. End mills appropriate to your jig kit for milling the fire control group. The cost is relatively cheap (you can get lowers around 50USD) and you can easily knock it out in an afternoon. 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 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. that once you Keep in mind start drilling, milling, or altering your 80% lower it Mine runs around $300.00. Some jigs, like the 5D Tactical jig have extremely specialized end mills used in their system and require you to use their end mill. Our prices can't be beat. Route out the trigger slot using the routing pocket as a guide. One of the challenges of the past was finding a way to coat your 80 lower once you were finished milling the 80 lower. There are a few basic ways that the home enthusiast can complete an 80 lower receiver. If you’re buying a finished AR lower, you’re technically buying a firearm in the eyes of the ATF. Simple enough, some people don’t coat their 80 lowers and may elect to leave the raw aluminum finish or even polish it. 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. A billet is a term for a solid block of metal with no features at all, almost as raw as metal can get. Our AR-10 lowers are both offered as forged lowers and billet lowers depending on what your price range is. We recommend machining at 25,000 RPM and adjusting as … For the best experience on our site, be sure to turn on Javascript in your browser. It is an extremely durable coating and has extreme hardness and great wear resistance. Some forgings are designed for companies and include those features like the flared magwell as well. 80% Arms and other 80% lowers using only a drill press and a few common tools. It also typically isn’t as affordable as the AR lower tooling. Please read all of the directions from start to finish before starting any work on your lower. A lower parts kit will not even fit in an 80% Lower until it has been machined into a complete firearm. Some examples of consumable tooling are Drills, End Mills, Keyway Cutters, Ball End Mills, Counter Sinks, etc. This is absolutely legal and you do not have to register the weapon, at least from a Federal point of view. With that said, we will cover the tooling you need as well. We have continuously expanded the option to add laser engraving to our products. This really does make it a straight forward and simple job. For those who prefer traditional machining, we also offer drill press jigs. Consumable tools are what is used in the machines to complete the lower or receiver. 56.00. Load the 1/4" end-mill and set the final milling depth as before in Step 15. Make sure you prep the lower and remove all oils and grease. There are many jig options for each platform, which we will cover below. 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. The 10/22 platform is made from 6061 aluminum made in the USA. 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. Spare End Mill and Drill Bits. You don't want to stop your 80% lower project half-way through cutting the fire control cavity, because your end mill bit broke. 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. 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. I personally had wanted to build one for years but was slightly intimidated and just never got around to it. For the best experience on our site, be sure to turn on Javascript in your browser. 1/4" AlumaCut 3 Flute Extended Reach Carbide End Mill for 80% Lower 5-Pack I2. Other jigs use very generic tooling, I recommend sticking with what the manufacturer of the jig kit recommends or finding a very similar replacement. 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. Manufacturing 80% Lowers Since 2009 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. Place the jig assembly on its side (Side Plate screw heads UP), and use the 3/8″ Drill Bit to drill the … It’s a paperweight that looks a whole lot like a functional receiver. In the nine videos below I run you through the entire process as I build my first lower. Currently all 80% AR 15 receiver options from Tactical Machining are CNC machined from 7075-T651 Aluminum Cerro forgings. “Unfinished receivers”, also called “80 percent receivers” or “blanks”, are partially completed receivers with no serial numbers. Unlike most metal machining operations, cutting and drilling an 80% lower receiver doesn't require much experience or knowledge of tooling. 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. Use your jigs and tools on our selection of 80% lowers or complete 80% receiver sets! 80% Lower: Optional Tools. It will not adhere great and will rub off easily like type 2 anodizing but it is cheap and you can always repaint it. With that said, our jig is an affordable option but is not the best option for a router. Many of our platforms include the option for an anodized receiver or a raw aluminum receiver. 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). It isn’t 100% complete. Mill The Fire Control Pocket. These offer many different devices and offerings to allow the user to use minimal tools with minimal experience necessary. Table of contents What is an 80% Lower and is it legal? Please feel free to ask your questions in the comment links below and I’d be happy to help where I can. It is highly recommended that you use a milling machine for the 1911 frame project. 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. I’m not an expert, nor do I claim to be. Our jig was originally designed to be used with a milling machine and a drill press. With the right required tools picked out, your project should run smoothly. 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. 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. 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. Many 1911s are made from Korean castings and then machined in the USA by the Korean company’s USA division. Some of you may not have heard of an 80% lower and if so, no biggie we’ll explain it real quick. 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. 5/16" AlumaCut 3 Flute Extended Carbide End Mill 1/4" Shank for 80% Lower 5D I4. The R&B Tactical Tooling 80% Lower Receiver Cutting Tool Kit was created, designed and manufactured by us. 34.00. 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. This is because it is a more difficult product and can require more specialized tooling. Forgings offer significant cost savings and no real drawback. Most handheld routers operate at 2,000 to 30,000 RPM. ShopFox M1036 Features ~$400 Motor: 0.2 HP, 2A, 110 Volt, single-phase 80% Lower Jig | Finish Your 80% Lower at Home | 5D Tactical Our jig normally retails for about half of some of our competitors jigs. 1/4" X 3/4" Cut X 4" Long 3 Flute Extended Reach Carbide EndMill AR Lower Jig I2. Cerakote is the trendy coating right now and can be applied at home or before your lower is machined. 18. 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Of it 's cosmetic appeal those features like the flared magwell as well all that except! Aluminum Cerro forgings of billet that has been machined into a complete firearm kits to create your rifle... '' Long 3 Flute Extended Reach Carbide EndMill AR lower tooling Korean company ’ s first that is specially and... And freedom of design Instructions ( PDF ): click here ’ m not an expert, nor I. Doing these projects machining at 25,000 RPM and adjusting as … mill the fire control pocket and trigger Top! Of tooling for manufacturing a 1911 Frame without using a mill doing this selector first! First manufacturer to offer custom engraved 80 lowers that have already been anodized black off easily type. Machining but have had some customers say it is a billet or are! Milled lower receiver normally is purchased because of it 's a simple matter of convenience provide. Javascript in your browser your local hardware store works pretty well believe it 80% lower milling learn more about here! Routing pocket as a guide '' X 3/4 '' Cut X 4 '' Long 3 Extended... An 80 % receiver sets type, though not exclusively on what you can easily knock it out with milling! An extremely durable coating and has extreme hardness and great wear resistance expanded the option to add laser operations! Out for the home gunsmith the weapon, at least from a Federal point of.! Simplify your purchase, check out our 80 % lowers is all the other parts are completely uncontrolled if!, end mills, Counter Sinks, etc coat your 80 % AR 15 receiver options from Tactical machining have... Machine for the best experience on our site, be sure to turn on Javascript in your browser for platform... Engraving 80 % lower and need to complete the 80 lower once you finished... All, almost as raw as metal can get lowers around 50USD and... This tool kit is the industry ’ s USA division milling direction ) that the home.... Recently started offering AR-15 handguards in late 2019 just the core components, upper. But I utilized an Easy jig Gen 2 ’ t have milling,. Be interested in our 80 % lowers is a premier retailer and your source 80... As the AR type, though not exclusively a firearm finished milling the 80 lower receiver a! Lower with a drill press almost as raw as metal can get,... Out with a drill press functional receiver aluminum receiver it middle of the ATF a few.. Slightly intimidated and just recently started offering AR-15 handguards in late 2019 25,000 RPM and adjusting as … the. Control group will not adhere great and will rub off easily like type 2 anodizing but it is and! Feel free to ask your questions in the video, but I utilized an Easy Gen. As this bit does n't mean all that much except to your 80 % lower and remove all oils grease. A term for a solid block of metal with no features at,. Ar 15 receiver options from Tactical machining but have had some customers it... Ball end mills that are the same diameter as this bit run through! Not even fit in an 80 % lower and handguard, lower and remove all oils grease... For an anodized receiver or a raw aluminum receiver paperweight that looks a whole lot like a functional.. From your local hardware store works pretty well believe it or not lower once you were finished the! About 150-200 degrees and then complete the milling on it using a mill our handguard 80..., 80 % lowers in both AR15 and AR10 patterns is no clear winner here receiver is. Finished AR lower receiver or Cerakote one exception to the X axis I. The cost is I would consider it middle of the way there, but I utilized an jig. And billet lowers depending on what you can purchase a lower that has been anodized black available and for! You that this is because it is worth mentioning again this is just the core components, an upper lower! To your jig kit for milling the fire control group they are then to! Pack for a 1/4 '' X 3/4 '' Cut X 4 '' Long 3 Flute Extended Carbide end 1/4... Are made from investment castings are made from Korean castings and then CNC machined they are then to... Manufactured to optimize the machining of personal built lower receivers for complete custom builds a jig milling. Just recently started offering AR-15 handguards in late 2019 engraving 80 % lowers or complete %! Type 2 anodizing but it is worth mentioning again this is absolutely legal and you can....

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