Chuck Madurski A surprising—albeit subtle—variety of fixed polymer buttstocks were used on early AR-15/M16-series rifles. There are five basic types, although it does not appear that these ever received unique manufacturer’s designations. Collectors today know them as the Type A through Type E. These stocks were fitted to the Colt Models 601 through 604, and
An Overview of the M16 Assault Rifle - Boot Camp & Military
M16 rifle - Wikiwand
Variations in Early AR-15/M16 Rifle Buttstocks - Armament Research Services (ARES)
Variations in Early AR-15/M16 Rifle Buttstocks - Armament Research
AR Weight vs Balance – BRD Gun Works
Why are the M16 and M4 considered two different guns? They seem to
Forgotten M16A1 Rifle Manufacturers: GM/Hydra-Matic and Harrington
M16 - Armament Research Services (ARES)
Colt 607: The First AR Carbine
AR15 Stock Considerations & Selection — Reptilia
Video – The Armourers Bench
Evolution of the M16 Rifle - Part I - Small Arms Review
Mk12 Mod 1 Military Correct Deployment Kit - Limited Edition Clone
Assault Rifles at the World Guns on Virmuze