HK91 / G3 / HK51 Small Parts

HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...

Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...

Heckler and Koch Contact Piece for Paddle Magazine Release 5.56 / .223 and 7.62x51 / .308 German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK33, HK53, HK93 HK91, G3, PTR91

H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used This is a common repair and replacement item. Grab one for a spare, just in case.

MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...

Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...

MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...

Heckler and Koch Magazine Catch for HK G3 and HK91 High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK91, G3 PTR91

MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms

HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set.  Torx hardware is less likely to strip than standard allen key hardware.  Good spares to have on hand as well. Note: Each set comes with 2 screws.

H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel.  Compatible With:  HK MP5, SP5, MP5K,...

HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.