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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HK Barrel Adapter - Blank Firing - 5.56 / .223 - 7.62x51 / .308
H&K Heckler & Koch
$39.95H&K (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels German blank firing adapter used from the German military. Best quality & price in the country by the best makers of US made HK components available anywhere. Compare...HKP-15593$39.95 -
HK Trigger Pack Housing - Semi 0,1
H&K Heckler & Koch
$129.95H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...HKP-02177$129.95 -
HK91, G3 Extractor - Enhanced Coated Polish
HKP HK Parts
$24.95HKP HK 91/G3 Extractor - Enhanced Coated Polish Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible With: HK...HKP-22182-M$24.95 -
Carbon-Cleaner - 500 ml Aerosol
SchleTek
$32.95SchleTek Carbon Cleaner 500 ml Aerosol Time-saving removal of stubborn fouling. Special formula for heavily used firearms. Frequent and thorough gun cleaning is not only a prerequisite to achieve maximum performance with your firearm, but also a decisive...HKP-21766$32.95 -
Vector Arms V51 Retractable Stock
MKE
$549.95MKE V51 A3 Retractable Stock: Factory new MKE stock professionally converted with the correct collapsing length to fit Vector V51 rifles and pistols. This V51 stock was modified with a heavy profile, heat-treated collapsing rod insert for longevity...HKP-21469$549.95 -
HK91, G3, MP5 Sear Catch - Steel - New Build
H&K Heckler & Koch
$69.95Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...HKP-01459$69.95 -
On Sale
HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED
H&K Heckler & Koch
Now: $149.95Was: $199.95H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN CONDITION. Priced for ONE Conversion Magazine -...HKP-20750-BNow: $149.95Was: $199.95 -
HK Hammer and Pressure Shank Pin - 90 Series
H&K Heckler & Koch
$3.95H&K Hammer and Pressure Shank Pin - 90 Series For pinned-style hammer and shanks, this pin securely holds the two components together. This original H&K production part has never been installed. Made from correct German-spec steel to meet exact...HKP-21854$3.95 -
HK G3, M61 Barrel - 7.62 - 17.7" - Threaded 15x1 RH
RCM
$274.95RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH Brand New Barrel for the Pre-G3 HK M61. The M61 was produced by H&K in Germany and has some aesthetic features that the final G3 rifles did not incorporate. A true piece of history can be...HKP-21353$274.95 -
HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark it looks to be brown. The stock and the buttpad on this...HKP-18933$129.95 -
Out Of Stock
HK91, G3 Cocking Tube - Left Hand
$79.95HK91, G3, PTR Full Size Cocking Tube - For Lefties This is the one and only left handed cocking tube for the HK G3 & HK 91 Full Size and it happens to be a US manufactured part. Hard to find. Perfect for the custom project or HK91, HKG3 build.HKP-18925$79.95 -
HK33, HK53, HK93, HK91, G3 Internal Buffer With Break Springs
H&K Heckler & Koch
$17.95HK German G3, 91, PTR & HK 33, 93 Internal Buffer Brake Spring New HK German Brake Springs for the standard buffer found on the HK G3, 91, PTR & HK93, 33, 53 rear stocks. Compatible With: All standard A2 fixed stock buffersHKP-17424$17.95