The jig allows you to quickly, legally, and safely complete your 80 lower, transforming it into a stripped receiver, a firearm by definition that can accept a lower parts kit, an upper receiver, and a buffer system. Ar15 lower receiver in fusion360 we have a lot of readers who are interested in firearms, and im a shooter myself, so i thought id pass along this fascinating video about how a pro shop goes from a forged 80% lower to a finished ar15 lower receiver. These fixture plates are designed to produce softjaws that allow for holding an 80% ar15 lower receiver to machine the trigger group pocket. This is one of those ridiculously cool projects that brings home what i love about cnc and machine work. Phoenix version g150 80% lower receiver instructions author. This is the entire first season of the home gunsmithing. Ar15 ak47 handgun precision rifles armory training competitive shooting general outdoors archery hometown industry about ar15. Technical grinding and machining is a manufacturer in blaine, minnesota known for quality parts production. Diy ar15 lower self contained cnc machine preorders this. Rj556u universal jig for milspec 80% ar15 lower receivers. These instructions will guide you through the process of removing this material. This is a step by step guide on how to build an ar15 lower receiver in 8 easy steps from a stripped receiver and a lower receiver parts kit.
The tactical machining ar 15 complete lower is forged from 7075t6 aluminum, fully machined, and then type iii hard coat anodized. By federal law it is legal to make your own gun at home for your own use. Nov 17, 2011 cnc machining an ar 15 lower the following is a post by my friend jason, who is not a regular contributor, but has posted in the past on our 3d magazine printing project. Milling the lower of an ar15 style rifle using a manual milling machine and digital readouts. That means you could have just one true ar15 the lower receiver or the part. Ar lower reeeiver stepbystep chapter 4 29 chapter 5 the buffer end in this setup we will put in the hole for the bolt release pivot, takedown pin detent hole, the buttstock key hole and bore and thread the hole for the buffer tube. In this tutorial i will demonstrate how easy it is to complete an 80% ar15 lower receiver using the cnc gunsmithing jig. Ray brandes, of rayvin, it would not have been possible for me to do this. The tactical machining ar15 complete lower is forged from 7075t6 aluminum, fully machined, and then type iii hard coat anodized. Rays machining the ar15 lower receiver forging is the bible on a full milling process.
It is your responsibility to comply with all federal, state and local laws and. Jan 04, 2015 milling the lower of an ar 15 style rifle using a manual milling machine and digital readouts. Machining the ar15 lower receiver forging zero to complete ar. If youre going with a lighter bcg, id recommend getting it with the additional springs so you can truly tune your gun. Full text of ar 15 lower receiver step by step machining. Likes received i have searched the gunsmithing forum and have not found dxf versions of the ar 15 lowers and i thought that would be a pretty common interest. A lower parts kit will not even fit in an 80% lower until it has been machined into a complete firearm. This is an unfinished white 80% completed lower from anderson manufacturing out of hebron, ky. In fact, below is a near complete list of calibers that the ar15 platform will support most on this list require custom gunsmithing. I was able to mate them perfectly to a model of the lower that i know to be correct and it lines up perfectly. You should know how to safely operate the tools and equipment before attempting to complete an ar 15 lower receiver. We utilize state of the art 5axis cnc machines to mill all our. While i believe ordinary delrin should be dense enough to be detectable by the modern equipment used for airport screening, it is unlawful to make a firearm, the major component which includes the receiver does not show its true shape on the types of x. Which then allows them to get creative with the engraving.
How to cnc an ar15 lower from delrin shall not be questioned. When i first looked at the blue print for the colt lower i was overwhelmed by the complexity of it all. One of the best upgrades to make your ar15 feel like a pellet gun. Ar 15 lower receiver step by step machining internet archive.
I thought this would be an interesting addition, and a demonstration of how. Ar15 lower receiver blueprint jnv burns enterprises. The standard complete lower includes a high quality milspec parts and trigger kit, milspec 6position stock tube, m4 stock and grip, and standard buffer. David borges, polymer80 cofounder questions, feel free to email us at our support email address or call.
High quality parts at affordable prices are their specialty. Machining the ar15 lower receiver forging by ray brandes. Buffer tube assembly the ar15 lower receiver parts kit consists of the following. A milled ar15 lower receiver with the stock, barrel and other components.
There was a really interesting vid on youtube of a fella that made a working ar lower out of plastic ikea cutting boards. How the pros finish ar15 lower receivers for profit. Search ar 15 along with plans, drawings, solids, etc, and there are a bunch out there. How to complete the machining and milling on an ar15 80% lower receiver using an easy jig, drill press and router. Also, depending upon how produced it can provide guide bushings to drill out the three holes in the trigger group. This is a promotional video for a self contained cnc machine to finish 80% ar15 lowers. There are different techniques utilized, in general im going to cover utilizing a drill press. Ar lower receiver stepbystep 1 machining the ar15 lower receiver forging by ray brandes. Ar15 80% billet lower receiver build info eformance engineering. 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.
How to build an ar variant lower from a hunk of metal pirate4x4. Now, after successfully machining several, it is nothing. The new frontier armory complete 80% jig kit is all you need to complete the final machining process to turn your 80% ar15 receiver into a working stripped lower receiver. How to build your ar15 lower receiver in 8 easy steps. The 80% ar15 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.
Just drew them up on solidworks via a drawing that i found online. The goal of finishing the lower receiver is to mill out the fire control pocket area utilizing the jig as your guide. Com is the worlds largest firearm community and is a gathering place for firearm enthusiats of all types. Diy ar15 lower self contained cnc machine preorders. The jig does all the measuring and work for you, aligning the holes. Tactical machining offers their blemished lower at a considerable discount due to some minor cosmetic imperfections.
Sep 05, 2014 tactical machining offers their blemished lower at a considerable discount due to some minor cosmetic imperfections. The first tool you should have is the blueprint for an ar15 receiver. Again, for milling with dros using the front pivot pin hole as 0,0. Was created with autodesk inventor 2014, if you want to modify the files, the original code is provided. This is the tool youll use to machine your ar s receiver blank. We have made that part of your personal rifle build project very easy with this high quality jig kit. Take your time, follow the instructions and you too can have a fully functional. Although viewing those projects is neat, its usually not possible for the average guy to use cnc equipment to.
If you choose to make a lower from delrin, youre safest using food grade delrin, which is highly xray detectable. There was a really interesting vid on youtube of a fella that made a. How to build an ar15 lower receiver ultimate visual. It takes away the sproing of the traditional buffer tube and drastically reduces recoil. I center on the lower itself for y, usually right in the middle of the fcg pocket area. Using a cutting fluid that is made for machining aluminum, such as a9 or tap magic aluminum, will greatly improve the machining finish, reduce tool chatter, and improve tool life. Technical grinding and machining ar15 80% lower receiver. M1 machining universal jig for ar10 and ar15 80 percent lower receivers. Cnc machining an ar15 lower shall not be questioned. Machining an ar15 lower forging august 26th, 2016 back in late february i stumbled across a guy selling raw m16 lower forgings on gunbroker.
Using a jig to complete your 80% lower means you already have a predesigned template to work with. Ar15 80% lower adjustable universal jig kit juggernaut. Using this product on an 80% lower will convert the 80% lower into a firearm. I thought this would be an interesting addition, and a demonstration of how technology is making gun control a virtual impossibility. Sign up to get ghost gunner product and shipping updates. The 38 end mill is used for the primary machining of the fcg pocket. Ar15 lower manual milling drawing this drawing has the dimensions for manually machining the final operations completing and making it a firearm of the optimus defense ar15 lower. Scratchbuilt ar15 receiver project completed and test fired oct 2002mar 2003. Death pleads guilty to making, selling ar15 rifle components you cant pay someone whos unlicensed to mill a lower into a firearm. Phoenix version g150 80% lower receiver instructions. This full kit includes all the parts necessary to complete your ar build minus the drill.
The polymer80 kit includes an 80% lower, a onetimeuse jig, three drill bits and proprietary parts for the bolt catch. This document is intended to give general guidelines on completing the 80%. I use a bridgport style milling machine with a digital readout. You should know how to safely operate the tools and equipment before attempting to complete an ar15 lower receiver. Ar 15 lower manual milling drawing this drawing has the dimensions for manually machining the final operations completing and making it a firearm of the optimus defense ar 15 lower. Ar15s have never been my cup of tea, but the machining challenge was too good to pass up. If you want to skip past the tools, materials and jig set up and get right to. Now that you have made the wise decision to purchase the new juggernaut tactical ar15 80% lower receiver, you will need to finish the machining procedure. Milling machine, plus a hand held drill and bench vise for the pin holes. Machining an ar15 lower receiver with gwizard cnccookbook. That means you could have just one true ar15 the lower receiver or the part considered the gun and multiple uppers for multiple different calibers if you so desired. In this tutorial i will demonstrate how easy it is to complete an 80% ar15 lower receiver using the cnc gunsmithing jig and the milling adapter kit.
Ar lower receiver stepbystep 5 contents chapter 1 what you need to know chapter 2 the first setup chapter 3 holes. Ar lower receiver stepbystep 5 contents chapter 1 what you need to know chapter 2 the first setup chapter 3 holes chapter 4 the passenger side. Gg3 employs a horizontal milling format, a 9,000 rpm er11 collet unibody machined spindle and has a machinable area of 9. That means drilling a few holes and milling out the fire control cavity in the receiver. Fixture plates for machining an ar15 80% lower receiver by. Even if the 80% lower is not fully milled or completed, it may still be legally considered a firearm. Your jig kit consists of a right and left jig wall, a drilling adapter plate, trigger fire control milling adapter. After machining and assembling the polymer lower and of course adding an upper receiverthe author takes aim with his own homemade 5. First off, i need to say that i didnt design the item or the process i followed, and without the excellent instructions and drawings by mr.