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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

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

Produced by Midwest Industries the HK417/MR762 receiver rod is the ultimate tool for barrel nut installs or removal. It is also designed to be used for muzzle device installs and will not damage the index pin.

G28 Buttstock Kit for MR762

RAL8000 G28 buttstock kit for MR762 rifles.

MR762 Cylindrical pin for stop pin

Barrel nut for MR762 rifle

Firing pin MR762 rifle

Pin for MR556 and MR762 hammer and trigger

Pressure pin for MR556 and MR762 rifles

Gas block pin for MR762 rifle

Extractor roll pin for MR762 rifle

Receiver extrntion nut for MR762 rifle

MR762 hexagonal allen key

Carrying sling adapter for carry sling with quick release.

NUT, RECEIVER EXTENSION, MR762

Firing pin retainer spring for MR556 and MR762 rifles

Pivot pin complete for MR762

Firing pin spring for MR556 and MR762 rifles

Rear takedown pin for MR rifles