Ar15.com user [HaveBlue] has been working for some time on a 3D printed lower receiver, and now reports that the parts are fully working. Using a Stratasys 3D printer from the 90’s [HaveBlue]… ...

HaveBlue tried to use the same lower receiver to make a full-blown .223 AR-15/M16 rifle, but it didn't work. Funnily enough, he thinks the off-the-shelf parts are causing issues, rather than the ...

The world of the military M16 and, by extension, the civilian AR-15 market, has become dominated by M4-style firearms. This means, in the broadest sense, a 14.5" or 16" barrel and a telescoping ...

I ordered every part of my AR-15 but the lower receiver from the website of Ares Armor, a Southern California gun seller that doesn’t require any personal information beyond a shipping address.

The lower, or "lower receiver " part of a firearm, is the crucial part that contains all of the gun's operating parts, including the trigger group and the magazine port.

When they started shipping, customers were quick to request a platform-specific lower receiver. The company soon launched two lower options: the BRN-180 and the BRN-180M.

The primary difference between the T65 and the M16 is the incorporation of a short-stroke external piston gas system instead of the internal piston gas system used in the M16. But unlike Armalite ...