H&K Heckler & Koch

MR762, HK417 Enhanced Receiver Extension Brand new factory HK German manufactured MR762, MR308 & HK 417 Buffer Tube.

H&K HK MR762/417 Extractor Cartridge

MR762, HK417 Castle Nut, Receiver Extension Nut For Buffer Tube New HK German manufacture and the factory correct offering with the proper installation screws and staking guides. Compatible With: HK...

MR762, HK417 Complete Buffer Specifications: Weight: 6.1 Oz Overall length: 3.20" OD: 1.18"

HK MR762, HK 417 Slim Line Retractable Stock - RAL 8000 New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK...

HK MR762, HK 417 Slim Line Retractable StockNew From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762...

HK MR762, HK 417 Magazine Catch Spring New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK MR762 HK 417 HK G28

H&K HK MR762/417 Magazine Catch Retainer Ring

HK MR762, 417 Extended Free Floating Rail System - RAL 8000 - Tan New Heckler & Koch MR762, HK 417, & G28 extended forearm with flip up front sight & suppressor window cutout. Optimized...

H&K HK MR762 Ejection Door Clamping Sleeve

HK417, MR762 & G28 Extended E1 Charging Handle - Black HK German MR762/HK417 extended charging handle. HK's unique release latch can be swapped from left to right sides to make each setup ambi...

HK MR762, HK 417 Incomplete Upper Receiver This stripped upper receiver includes the insalled threaded piston guide bushing.