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 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 -
HK91, G3 Magazine - 15 Round - Steel - Refinished
H&K Heckler & Koch
$84.95HK Heckler and Koch 15 Round Steel Magazine - Refinished for HK G3 and HK91 (7.62x51/.308) HK G3 factory steel 15-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished...HKP-21922$84.95 -
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 -
HK A3 Buttstock Release Lever Rebuild Kit
H&K Heckler & Koch
$14.95H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks. With A3 stocks becoming more expensive it's a great idea to keep this kit on...HKP-21851$14.95 -
PTR PDW Bolt Carrier - Semi Auto - 7.62x39 and 7.62x51
PTR
$229.95PTR PDW Semi Auto Carrier - US Made Semi-automatic bolt carrier manufactured by PTR in the United States using HK-pattern specifications. Designed for PTR PDW platforms and counts as one U.S.-made 922r compliant component. Compatible with both 7.62x51mm,...HKP-14140$229.95 -
PTR PDW Barrel - 7.62 / .308 - 9" - SBR
PTR
$189.99PTR PDW .308 Pistol or SBR Barrel- USA This part comes new in the white, never installed, and ready for the HK project. Features: Just under 9" inches long 1:10 twist U.S. made barrel counts as one 922r compliant part Please Note: Front sight towers...HKP-02788$189.99 -
Out Of Stock
HK PTR-32 Bolt Group - Complete - PDW
HKP HK Parts
$379.95US Made PTR 32 PDW Bolt Group Complete Semi-Auto. Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.HKP-17387$379.95 -
Out Of StockOn Sale
HK MP5, G3, 93 Optic Mount - Micro Ultra-Low - MFI - Old Style
MFI
Now: $79.95Was: $110.95MFI Ultra Low-Profile Red Dot Mount for Aimpoint, Primary Arms, Vortex, Burris - Old Style MFI micro ultra-low-profile red mount for HK-pattern firearms. Designed to provide one of the lowest profile optic mounting solutions available, this old-style...HKP-99460Now: $79.95Was: $110.95 -
On Sale
HK Screwdriver for Adjustable Rear Sight - BLEMISHED
H&K Heckler & Koch
Now: $7.95Was: $10.95Heckler and Koch Screwdriver for Adjustable Rear Sight - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Heckler and Koch precision screwdriver for...HKP-99455Now: $7.95Was: $10.95 -
On Sale
HK91, G3 Handguard - M-LOK Black - GUNSMITH SPECIAL
HKP HK Parts
Now: $119.95Was: $159.95HK91, G3 Handguard - M-LOK Black - GUNSMITH SPECIAL Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. The Condition will vary from part-to-part vs. the pictured unit. The HKP...HKP-17265-BL-BNow: $119.95Was: $159.95 -
HK91, G3 Bolt Head - Complete - Used
H&K Heckler & Koch
$179.95Heckler and Koch Complete Bolt Head for HK91 and G3 - Used Complete used bolt head for HK91 and G3 pattern rifles. Ideal as a replacement part for worn or damaged assemblies, or as a spare for future maintenance. This is a used part. Condition will...HKP-22527$179.95 -
On Sale
HK90 Series Trigger - Billeted - USA - USED
HKP HK Parts
Now: $32.95Was: $45.95HK90 Series Trigger - Billeted - USA - BLEMISHED 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. HKP US 90 Series trigger made from the best quality billet steel...HKP-00380-USEDNow: $32.95Was: $45.95