You searched for "MR762"

Firing pin spring for MR556 and MR762 rifles

MR762 Quad Rail

Complete forward assist for MR556 and MR762 rifles

Concave Butt Cap for MR556 and MR762 rifles

PICATINNY Guard Complete for MR762

5/8x24 Muzzle break for MR762 rifles.

Sear release spring for MR556 and MR762 rifles

Complete Pistol grip for MR556 and MR762 rifles

Forward assist clamping sleeve for MR556 and MR762 rifles

Locking screw for MR556 and MR762 MRS rail

Forward assist pressure spring for MR556 and MR762 rifles

Bolt catch clamping sleeve for MR556 and MR762 rifles

Ejection port cover clamping sleeve for MR762 rifle

MR762 Cylindrical pin for stop pin

Adjustable Buttstock, FDE, for MR762/HK417. Requires G28 buffer tube and castle nut.

This kit includes a complete upper receiver/barrel assembly. This kit is only compatible with a MR762 lower . This closed system virtually eliminates the malfunctions that are common in direct-impingement gas systems, since hot carbon fouling and waste gasses are not propelled into the receiver area to operate the action. This is the same key feature critical to the success of the HK417 used by elite military and law enforcement customers. Upper will ship in HK Soft case. Kit will start shipping late Q4 2025

Adjustable Buttstock, Black for MR762/HK417. Requires G28 buffer tube and castle nut.

Slimline Buttstock, FDE, for MR762/HK417

This kit includes a complete upper receiver/barrel assembly. This kit is only compatible with a MR762 lower . This closed system virtually eliminates the malfunctions that are common in direct-impingement gas systems, since hot carbon fouling and waste gasses are not propelled into the receiver area to operate the action. This is the same key feature critical to the success of the HK417 used by elite military and law enforcement customers. Upper will ship in HK Soft case. Kit will start shipping late Q4 2025