Colt 9mm AR15 carbine and its predecessor
This review compares the Colt 9mm AR15 SBR with an older Olympic Arms 9mm conversion. It details the direct blowback operation of the Colt, its Uzi-based magazines, and the challenges of loading. The Olympic Arms conversion, using Sten magazines, is shown to have feeding issues and design quirks, highlighting the evolution of pistol-caliber carbines.









