Arsenal SAM5 5.56x45mm (.223 REM) AK-47 rifle with AK-74 type Front Sight Block and AK-133S Flash Hider milled and forged receiver 16.3 chrome lined hammer forged barrel 24x1.5mm right-hand threads FIME Enhanced Fire Control Group black polymer furniture intermediate length buttstock scope rail and one 30-round M-74N Circle 10 magazine. - This is the civilian semi-auto version of the Arsenal Bulgarian made AR-M1 select fire rifle. - Features 100% new-production parts and components. Bulgarian hot-die hammer forged receiver bolt and bolt carrier. Cold hammer-forged 16.3 barrel from Arsenal's Bulgarian factory built on Steyr manufacturing technology hard-chrome plated bore and chamber. The AK-74 type front sight block has 24x1.5mm right-hand threads with the AK-133S flash hider installed. Includes AK scope rail Intermediate length US-made 10 trapdoor buttstock (total length of pull 13.4.) 922(r) compliant with US or imported magazines. Substantially extended service life over other types of assemblies. Installed on this rifle is the Enhanced Fire Control Group from FIME the AK enthusiasts favorite. - Arsenal's SAM5 receiver is milled from a hot-die hammer forged receiver blank by the Arsenal Co. of Bulgaria. Other milled-receiver AKs are machined from bar stock but Arsenal