HK91 / G3 / HK51 Receivers / Uppers

H&K G3 Complete Parkerized Rear Receiver Section w/ Rear Sight - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Sold Individually Genuine H&K parkerized steel rear receiver section with fully installed G3 rear sight...

MKE Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 Upgrade your rifle with MKE's anti-rattle style paddle mag release. Compatible With: HK91, G3 HK33, HK53, HK93 PSG1, MSG90 In-spec clones and custom builds

Turkish Contract Bayonet Adapter Replacement Kit for HK91, HK G3, HK33, HK93 Turkish contract replacement hardware kit for early-style bayonet adapters. Intended for use with pre-ban pattern adapters on compatible HK roller-delayed rifle platforms...

H&K G3 Complete Parkerized Rear Receiver Section without Rear Sight - SURPLUS UNIT CONDITION WILL VARY  Steel rear receiver section manufactured by FMP on HK tooling. Does not include the rear sight.  Compatible with: HK G3, HK91 In-spec...

G3 - Early Production CETME, G3 HK91 Backplate - Used  

Heckler and Koch Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 - USED This is a used German anti-rattle paddle mag release for installation on all Heckler and Koch Firearms .223 and .308 rifles. Compatible With: HK91,...

HK G3 - FMP Early Type Demilled Front End Early style G3 front end with no hanger. These are the perfect option for those doing custom builds. Good condition over all. Includes: Cocking tube Complete cocking handle assembly Trunnion Barrel pin

HK G3 - FMP Early Type De-milled Front End - No Cocking Handle Assembly Early style G3 front end with no hanger from de-milled FMP G3 parts kits. Perfect for custom builds.  Includes: Cocking tube Trunnion Barrel pin

HK German Bayonet Adapter Without Hardware - Incomplete - USED   SOLD INDIVIDUALLY - VARYING CONDITION SHOWN   INCOMPLETE USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. HK German Bayonet...