Videos tagged with A4 Upper Receiver

This Rifleman Review covers the Rock River Arms (RRA) .17 HMR semi-automatic rifle, detailing its construction, unique delayed blowback gas system, and performance. The review highlights its compatibility with various .17 HMR ammunition weights and its suitability for varmint hunting, noting its suppressor-ready barrel.

Joe Maror from Daniel Defense introduces the new Daniel Defense MK12 rifle at Shot Show 2014. Key features include an 18-inch rifle-length gas system, cold hammer-forged stainless steel barrel, Daniel Defense flash hider, and the DDM4 12.0 free-float rail system. The rifle also boasts an A4 upper receiver with M4 feed ramps, a lower receiver with a flared magazine well, and Daniel Defense's signature pistol grip and butt stock with rubber overmolding and QD attachment points. It comes standard with a Geissele SSA two-stage trigger and a BCM Mod 3 charging handle, promising sub-MOA accuracy.