The latest update from HK-USA for the commercial version of the legendary HK417, the MR762 A4, highlights an improved example of "No Compromise" HK performance. It is now available as a 13-inch standalone upper receiver group. Features : - Suppressor-Ready Concentric 5/8X24 Threads - Adjustable Gas Regulator - Match Rifle Cold-Hammer-Forged Barrel - Medium Contour Barrel Profile - Continuous Picatinny Rail Interface Between Handguard and Upper Receiver

The latest update from HK-USA for the commercial version of the legendary HK417, the MR762 A4, highlights an improved example of "No Compromise" HK performance. It is now available as a 13-inch standalone upper receiver group. Features : - Suppressor-Ready Concentric 5/8X24 Threads - Adjustable Gas Regulator - Match Rifle Cold-Hammer-Forged Barrel - Medium Contour Barrel Profile - Continuous Picatinny Rail Interface Between Handguard and Upper Receiver