H&K Heckler & Koch

HK 416 Firing Pin Retaining Pin- New Style This part is the newer style pin that is goldish, super hardened, and much less prone to wear and tear. The enhanced version is the most robust,...

HK 416 & MR556 Gas Block Pin This is the retaining pin for an HK 416 gas block. A must-have, as HK recommends using new pins once they are removed or damaged.  Size: 5 x 18 mm.

  HK German MR556, 416 Gas Block Complete - Low Profile This part is the factory slim-line, low-profile gas block for the MR556/HK416. There are no bayo lug or sling attachment points...

HK MR556 & 416 Front Sight Roll Pin  

33mm Front Folding Sight Tower-MR416, MR762 & HK416/HK417 HK 416 Or MR556 Front Folding Sight. This item attaches directly to the front gas block of the HK 416 & MR556 or MR762/HK417...

H&K HK MR556, MR762, 416, & 417 28mm Front Folding Sight This sight attaches directly to the front gas block of the HK416, MR556, or MR762, HK417. This sight is to be used with the proper...

Forward Assist Plunger Spring For MR556, HK416, HK417 & MR762 New HK German manufacture. Compatible With: HK MR556 HK 416 MR762 HK 417 HK G28 HK M27

Forward Assist Pin For MR556 & HK416 Pin

HK MR556 & MR762 Factory Eyelet Sling Adapter for Carrying Sling - RAL 8000 New German HK Factory Eyelet Sling Adapter for Carrying Slings. Compatible With: MR 556 HK 416 HK MR762 HK 417 HK G28

HK 416 & MR556 Ejector Spring Compatible With: HK 416 HK MR556

HK MR556 & 416 Ejector Port Cover Pin

HK MR556 & 416 Ejection Door Lock Bolt Pin Compatible With: HK 416 HK MR556