Might be just because my first AR-15 was a DD, but mine has never failed me. Most people stick with the pre-equipped lower receiver, but if you fancy a skeleton or trapdoor stock they’ve got you covered. The Bushmaster Firearms catalog offers individually sold upper and lower receivers for many of their models. The AR-15 variants are loaded with accessory options and Bushmaster has got them all.Free resources for gun owners of Oregon, Washington, Idaho, Montana, and Wyoming - Classifieds, gun talk, concealed carry advice, shooting maps, reloading help, gun shop reviews, and more.Remove Permanently Attached Muzzle Device.
M4 feedramps increase the reliaility of barrels with short gas systems that run the bolt carrier at higher velocity than the original 20' barreled AR-15 design. This service is to machine M4 feedramps into a barrel or complete upper that does not already have them.