H&K Heckler & Koch

New Heckler and Koch German Gas Piston Rod and Spring Assembly for HK G36K Great for spare parts or to use on that HK SL8-G36 conversion. Compatible with: G36K  

Burst Pack Trigger Spring - HK German New HK German trigger return spring used on all HK 90 series burst trigger packs. MP5, HK53, G3 burst, 2 or 3 round burst trigger packs. 

H&K Catch Lever Axle For Ambidextrous Trigger Packs This is the axle that is found in all ambidextrous trigger packs for the 90 series that retains the catch lever assembly.

H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40

HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USC

MP5, SP5, MP5K, & SP5K Rear Sight Set Complete - German HK Each rear sight set includes the entire rear sight assembly & all the mounting hardware for the complete MP5 rear sight assembly.  Each Set Includes The Following German HK...

HK Mark 23 Ejector Roll Pin The Mark 23 has been discontinued, and spare parts will become limited in time, so stock up now while we have these hard-to-find parts available.

HK German Hammer Spring  This spring is used with LEM and all standard models. Compatible With: P2000SK P30SK   

10 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the US-made floorplate. Compatible With: HK91 HK G3 HK...

H&K G3 Standard Buffer Locking Plate This is the plate used with the large buffer screw in the standard buffer.

New HK German MP5A4, MP5A5, & MP5SD Operators Red Book

Ejection Port Axle - Steel- HK 416 New HK USA manufacture for the HK 416 family of firearms. This is the axle that holds the ejection port cover in place on the upper receiver.