HECKLER AND KOCH MR556A4 Upper Kit 5.56mm 16.5″

Description

Upgrade your AR15 platform with the HECKLER AND KOCH MR556A4 Upper Kit in 5.56mm. This high-performance upper receiver features a 16.5″ barrel, designed for .223 REM/5.56 NATO cartridges, ensuring precision and reliability with a 1-in-7″ rate of twist. The sleek black finish enhances its tactical appeal while delivering the performance you expect from Heckler & Koch. Ideal for enthusiasts and professionals alike, this upper receiver is a must-have for serious firearm aficionados looking to enhance their shooting experience.