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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On Sale
HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized - BLEMISHED
H&K Heckler & Koch
Now: $41.95Was: $59.95HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED POOR AND UNFINISHED LASER MARKING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...HKP-19333-BNow: $41.95Was: $59.95 -
On Sale
HK91, G3, PTR Magazine - 5 Round - Black - USED
HKP HK Parts
Now: $38.95Was: $79.95HK91, G3, PTR Magazine - 5 Round - Black - USED ONLY 2 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. 5 Round German Steel 308 Magazine...HKP-16250-USEDNow: $38.95Was: $79.95 -
On Sale
HK MP5, 90 Series, AP5 Trigger - BLEMISHED
MKE
Now: $22.95Was: $34.95MKE AP5, HK MP5, 90 Series Trigger - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Steel trigger...HKP-22519-BNow: $22.95Was: $34.95 -
On Sale
HK G3 Handguard - FMP - Surplus
FMP HK CONTRACT
Now: $39.95Was: $64.95HK Contract Portuguese FMP HK G3 Handguard - Surplus USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Original FMP Portuguese contract HK G3 handguard. Manufactured under HK license for military production...HKP-99438Now: $39.95Was: $64.95 -
On Sale
HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL
H&K Heckler & Koch
Now: $58.95Was: $189.95HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL ONLY 1 UNIT AVAILABLE - AS PICTURED REAR IS BENT AND OUT OF SPEC THIS PART IS NOT ELIGIBLE FOR RETURN Please Note: Will require work before being functional. HKP recommends the work be...HKP-17637-BNow: $58.95Was: $189.95 -
On Sale
HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL
H&K Heckler & Koch
Now: $58.95Was: $189.95HK91, G3, PTR Grip Frame SEF - Metal HK German - GUNSMITH SPECIAL ONLY 1 UNIT AVAILABLE - AS PICTURED REAR IS BENT AND OUT OF SPEC THIS PART IS NOT ELIGIBLE FOR RETURN Please Note: Will require work before being functional. HKP recommends the work be...HKP-17637-BL-BNow: $58.95Was: $189.95 -
On Sale
HK MP5, 90 Series, AP5 Trigger
MKE
Now: $29.95Was: $34.95MKE AP5, MP5, 90 Series Trigger Steel trigger manufactured in Turkey for HK 90 Series roller-delayed firearms. Designed as a replacement component for compatible MP5 and related platforms. Compatible With: MP5, MP5K, MP5K-PDW, MP5SD SP5, SP5K, SP5K-PDW,...HKP-22519Now: $29.95Was: $34.95 -
On Sale
HK Ambidextrous Sling - Green - USED
H&K Heckler & Koch
Now: $93.95Was: $149.95HK Ambidextrous Sling - Green - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks...HKP-00183-USEDNow: $93.95Was: $149.95 -
On Sale
HK91, G3 Bolt Group - Complete - Semi-Auto - USED
H&K Heckler & Koch
Now: $559.95Was: $849.95Heckler and Koch Complete Semi-Auto Bolt Group for HK91, G3 - USED ONLY 1 UNIT AVAILABLE - AS PICTURED Complete factory German semi-automatic bolt group manufactured by Heckler and Koch for HK91 and G3 pattern rifles. Intended for replacement, reference,...HKP-99389Now: $559.95Was: $849.95 -
HK91, G3 Bolt Carrier - Full Auto - SURPLUS
H&K Heckler & Koch
$149.95Heckler and Koch Factory F/A Bolt Carrier for HK G3 and HK91 - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Surplus factory H&K full-auto steel bolt carrier for the G3. Serves as the primary cycling component, driving the...HKP-22161$149.95 -
HK MP5, HK90 Series Trigger Pack Housing - Ambi- Semi-Auto
HKP HK Parts / Heckler & Koch
$248.95H&K 90 series Ambidextrous Trigger Pack Housing - Semi-Auto This German-made steel trigger pack housing is designed for ambidextrous trigger packs and selector levers. It starts as a factory F/A trigger pack, then is converted to semi-auto and coated...HKP-21868$248.95 -
HK91, G3, PTR Magazine Spring - 5 Round
H&K Heckler & Koch
$22.95H&K 91/G3/MSG90 5 Round Magazine Spring This factory HK spring is designed for the 5-round HK91, G3, and MSG90 magazines. Built for durability and reliable feeding, it's an essential replacement part to keep your magazine in top condition. Compatible...HKP-21827$22.95