Of course, most of the major brands of AR-15 lower receivers are specifically .... a genuine Colt Sporter by fixing the magazine in the receiver? Bob says: ...
27 Aug 2000 ... As a general rule of thumb all Colt "unblocked" lower receivers, ... Troy, Rambo and others on the AR15.com and Sturmgewehr.com boards for ...
AR15.com a tight fit between the upper and lower is normal and will probably ... followers and have only had problems with the 1 Colt magazine that I picked up. ... using a cast lower receiver from Olympic Arms. I didn't have any real ...
21 Dec 2009 ... Buy Stag Arms Colt AR-15 Forged Lower Receiver AR15: GunBroker is the largest seller of for AR-15 Firearm Parts & Accessories.