HK91 / G3 / HK51 Series
Discover the ultimate collection of parts for your HK G3 and HK 91, designed to enhance precision, reliability, and performance. Featuring G3 Stocks for improved ergonomics, 91 Barrels for superior accuracy, and G3 Triggers for enhanced responsiveness. Our selection also includes 91 Handguards for advanced protection and control, G3 Forearms for optimal handling, and detailed Parts Kits to fully equip your firearm for any scenario. Each component is engineered for flawless compatibility with your HK G3 or HK 91, ensuring your rifle meets the highest standards of operation and craftsmanship.
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HK91, G3 Firing Pin - Titanium
HKP HK Parts
$34.95HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...HKP-17937$34.95 -
Out Of Stock
Sidelok Optic Mount - 30mm - Modular
KDG Kinetic Development Group
$224.95Kinetic Development Group Sidelok Modular Optic Mount - 30mm The new KDG Modular Optic Mount is based off the proven Sidelok family of quick detach optic mounts and features the same user-friendly, tool-free design. KDG set out to design a Sidelok mount...HKP-19062$224.95 -
On Sale
HK MP5 Selector Lever Conversion Set - 4 Position Burst To 0,1
H&K Heckler & Koch
Now: $129.95Was: $179.95HK 4 Position Burst To Semi ONLY Conversion Selector Lever Set - German HK The German HK selector lever set will allow the use to convert the following: 0,1,3,F Trigger packs 0,1,2,F Trigger packs To safe, semi only as far as the way the selector...HKP-17996Now: $129.95Was: $179.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95 -
Carbon-Cleaner - 150 ml Pump
SchleTek
$16.95SchleTek Carbon Cleaner 150 ml Pump SchleTek Carbon Cleaner is a powerful, fast-acting solution designed to remove stubborn carbon buildup from firearms, suppressors, bolts, gas systems, and other precision components. Its advanced formula penetrates...HKP-21729$16.95 -
HK91, G3 Extractor - Used
H&K Heckler & Koch
$6.85HK German HK G3, HK, 91 & PTR 91 .308 Extractor - Used Surplus HK German extractor. Fits all models of HK G3 style firearms and CETME's. Compatible With: HKG3 HK91 PTR models Clones and other custom builds CETME & C308'sHKP-21507$6.85 -
HK G3 Leather Sling - Well Used with No Loop
H&K Heckler & Koch
$39.80Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91, G3 PTR91, CETMEHK93 HK33, HK53 HK94 MP5 HK clones Other custom...HKP-20583$39.80 -
HK91, G3 Key Mod Handguard
HKP HK Parts
$149.95HK G3, HK91 & PTR Low Profile Key Mod Forearm The KeyMod tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your...HKP-17178$149.95 -
HK91, G3, HK33, HK93 Bayonet Adapter Replacement Kit - Turkish Contract
Other
$14.95Turkish 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...HKP-22518$14.95 -
On Sale
HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED
HKP HK Parts
Now: $89.95Was: $149.95HKP HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of...HKP-99398Now: $89.95Was: $149.95 -
WOOX M-LOK Rail Covers - Teardrop - GEN2
WOOX
$58.95 - $78.95WOOX GEN2 Teardrop M-LOK Rail Covers The teardrop M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection, while bringing that signature wood look to your build. The GEN2 Teardrop pattern uses...HKP-22462-M$58.95 - $78.95 -
HK FMP G3 Rear Receiver Section - SURPLUS
FMP HK CONTRACT
$24.95H&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...HKP-22375$24.95