AR-15: A Quick History
This video traces the AR-15 platform's evolution from the M16/M16A1 through various carbine iterations like the Dissipator, Colt Commando, and Colt 727, culminating in the modern M4 and its specialized variants like the CQBR and Daniel Defense's M4A1 Block II and MK18 Mod 1. It highlights how barrel length and gas system configurations were adapted to meet evolving military and special unit requirements for compactness and modularity.









