Scratchbuilt ar15 receiver project completed and test fired oct 2002mar 2003. The ar15 lower receiver was the first project that i started. Cad files and build instructions for various guns that you can build at home. Ar15 lower also in the giant zip file are plans for a drop in auto sear, suppressors, grenades and more. I am working on an ar15 with a glass filled plastic upper and lower. Original army ordinance department blueprints for the ar15 lower reciever stay safe and healthy. I put a cad file from grabcad for this ar collection. Looking for downloadable 3d printing models, designs, and cad files. 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. This guide is is created to help put together an ar15 lower receiver from a stripped receiver and a lower receiver parts kit. Its a zero percent project, starting with raw forgings and the ar lower blueprint that everybody has.
No need to mill the magwell on them, be it ar 10 pattern or dpmstype pattern. If you prefer to work in a vise, take the optional cut shown below. The files below are complete solid models of the ar15m16 and the 1911 firearms. They not only work, but in my experience an ar15 equipped with a drop in auto sear works as well as an original government issue m16. Keep in mind that 3d printing a gun isnt an easy task and many of the files mentioned will likely not result in a working firearm. It is designed to tame the recoil and muzzle rise of the ar15 semi automatic rifle chambered for it is. The pdf versions will work but they have to be redrawn in a cad system in order to get the dxf files from them. There are a few tools that make it easier to put together these kits, but none of them are necessary. Ddcut windows ddcut macos firmware for use with windows and macos dd2v7 released. Ar 15 lower receiver blueprint pdf pdf book manual. Scratchbuilt ar15 receiver project completed and test fired.
Five easy ways to make ar15 lower receivers at home the. Without it, the only possible way is to make the sear components. Ar15 blueprint collection 3d cad model library grabcad. When the measurements they have are measured to the thousandths of an inch, it would seem to me that extreme accuracy is important. Check out this free ar 15 lower receiver exploded view. If its to fit in an after market lower receiver it may be necessary to change the outside dimensions. There are at least five easy ways to make ar15 receivers at home. Buffer tube assembly the ar15 lower receiver parts kit consists of the following. Please practice handwashing and social distancing, and. The pdf versions will work but they have to be redrawn in a cad system in order to get the. The files for the part were released earlier today, and within hours the dropbox account of the author was suspended for using too much bandwidth. The ar15 lower receiver is perhaps the most essential part of your custom ar build. A lot of important features are not dimensioned off of a single specific reference point as they should be.
I finally got off my ass and started a new lower receiver machining project. Kt10 lower hole locations pdf 48k kad10 lower blueprint by audibk pdf 308k ar15 blueprints ar15 0% lower indexing blueprint pdf 224k ar15 blueprint pdf 1. Support the lower on a 123 blocks and using the passenger side clamp pad, clamp it to an angle plate. Ar15 lower receiver blueprint jnv burns enterprises. Ar15 blueprint collection ar15 blueprint collection loading. This drawing has the dimensions for manually machining the final operations completing and making it a firearm of the optimus defense ar15 lower. The cnc jig takes all the guesswork out of finishing this project. The lower holds the magazine and fire control parts in alignment, not much stress.
You should not need a hammer to take the ar15 apart, except for a brand new, unfired rifle. These gun diagrams will help you better understand how your firearm is assembled with links to the gun parts for easy check out. Pdf ddcut operating software for use with gg1 and gg2. Just be sure to take your time, and always remember to measure twice and cut once.
Stl files the liberator is a physible, 3dprintable single shot handgun, the first such printable firearm. If an ar15 is on your build list, the normally serialized part of the rifle the part thats legally a gun is the lower receiver. I got the idea when i saw the lower receiver forging that pvt. While it is just part of the rifle, based on a design posted. The diagram will show you which size drill or tap to use in each location. Models also available for sale in stepigs file format as well as original solidworks source files. Click on the pics below to download pdf files of the hole size diagram and ar15 blueprint. I can find plenty of machinists drawings and even downloadable solidworks files for ar15 lowers, but i have no idea as to their accuracy. You can also hold the lower in a vise using the driver side and passenger side pads.
The drop in auto sear was designed in the mid 1970s for the sole purpose of converting the ar15 to fire fullautd select fire. Those who are concerned about the grade of aluminum this receiver is made out of should understand in an ar series rifle, the barrel extension and bolt are the stressed parts. M 16 lower receiver blueprint have never actually seen a copy of. The problems not with the autosear, its with the laws governing its use. Colt ar15 cad files note the following files are for reference only, and are not intended for use in production of an actual firearm or sear. Ar15 lower receiver blueprint ar lower receiver, blueprint drawing, tactical. 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. Ar15 lower receiver completion guide manual mill 2014 optimus defense rev. Most commonly made from aluminum billet, lowers can be stripped or ready with lower parts integrated and come in a variety of finishes or coatings to increase durability. Ar lower receiver stepbystep chapter 2 here is an alternate method for cutting the clamp flat. Solidworks, ar15 recent models 3d cad model collection. The drawings show the shape and give the dimensions for a lightning link that fits in the colt ar15. Download the files for the 3d printed ar15 lower reciever by drsail. The pins and springs on a new rifle may be tight enough to need some encouragement in coming free.
Ar15 to m16 conversion book free download as pdf file. Ar15 ar lower ar 15 builds ar build firearms conversation guns military science gunsmithing ar15 to m16 conversion book free download as pdf file. Purchase of the sear kit is necessary to make an ar15 able to shoot full automatic. Check all applical local, state, and federal laws before attempting to build your own gun at home liberator download, contains stereolithography cad. How to build an ar15 lower receiver ultimate visual. Larry, ive got the blueprints and lower plans for an ar 10. Com is the worlds largest firearm community and is a gathering place for firearm enthusiasts of all types. Ar10 from 80% machined billet page 2 practical machinist. Also note that ownership of a dias and ar15 constitutes ownership of a machingun, please abide by the law and use these materials solely for educational purposes. But i will soon give the lower a black anodize finish. Shop all stripped ar 15 lower receivers buy now if this is your first build, we suggest a stripped lower receiver, well within your price range, and a lower parts kit so that you dont break the bank on your build and have money left over for ammunition to feed your new complete rifle.
Ghost gunner 2 user manual read or download the latest revised manual for operating and programming the ghost gunner. How to build an ar15 lower receiver ultimate visual guide deals of the day. He done a great job of showing all the details of his work. How to build your ar15 lower receiver in 8 easy steps. On the ar15, the only parts that are serial numbered are the lower receiver and the fullautomatic sear kit. As you probably noticed several of the holes in the ar15 lower receiver are not critical at all. Ar15 80% billet lower receiver build info eformance engineering.
The first tool you should have is the blueprint for an ar15 receiver. As we posted this morning, the charon is a 3d printable lower receiver for the ar15 that combines the ergonomics and solid construction of the ps90 with the benefits of the ar15 platform. Ar15 billet lower receiver dimensional correct, taken from colt ar15 lower receiver. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. He started with a raw forging, which is basically a block of aluminum, but in the shape of lower receiver. Also note that ownership of a dias and ar15 constitutes ownership of a machingun, please abide by the law and use these materials solely for. Either way, all thats really important is that it fits inside the receiver and can move back and forth about 116 inch. And the last type of files you can download are the blueprints. Luckily, it doesnt take 75 years to clean, as the air of london did. Ar15 ar10 compatible rifle magazines, when you need ar15 and ar10 compatible rifle magazines, tombstone ar15 lower receiver blueprint pdf.