Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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Picatinny Optic Mount - 23mm - Aimpoint ACRO
B&T Brugger & Thomet
$98.00B&T 23mm ASM Optic Mount for Aimpoint ACRO P-2 and C-2 The B&T ASM Mount provides a 23mm optical axis height for Aimpoint ACRO optics. This updated B&T mount includes both fixed and quick-detach...HKP-23033$98.00 -
On Sale
HK P2000SK Magazine - 10 Round - 9mm - Black - USED
H&K Heckler & Koch
Now: $36.71Was: $58.95HK P2000SK Magazine - 10 Round - 9mm - Black - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. .HK German manufacture and factory-fresh production...HKP-00308-BL-USEDNow: $36.71Was: $58.95 -
On Sale
PTR91 Extractor - BLEMISHED
PTR
Now: $7.46Was: $12.95PTR Extractor for PTR91 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. PTR extractor for PTR91...HKP-99457Now: $7.46Was: $12.95 -
HK VP9CC Elbow Spring For Trigger
H&K Heckler & Koch
$5.95HK VP9CC Elbow Spring For Trigger Elbow spring for the HK VP9CC pistol platform. Compatible With: VP9CCHKP-22746$5.95 -
HK VP9CC Sleeve, Rear
H&K Heckler & Koch
$9.95HK VP9CC Sleeve Factory HK sleeve for the HK VP9CC pistol. Compatible With: VP9CCHKP-22763$9.95 -
HK German Sling - 3 Point - Like New
H&K Heckler & Koch
$73.95Heckler and Koch HK Platform German Sling 3 Point Three-point sling designed for HK rifles and carbines. Provides secure weapon retention and hands-free carrying. Compatible With: - HK G3, HK91,...HKP-22787$73.95 -
On Sale
HK P30, P30L, P30SK Curved Trigger - Adjustable
Grayguns
Now: $89.06Was: $98.95Description Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK P30 Adjustable Curved Trigger is a first-of-its-kind trigger upgrade for the P30 platform. It fits all P30 variants. The...HKP-22628Now: $89.06Was: $98.95 -
Out Of Stock
HK21 FMP Ultimate Build Kit - Matching Numbers - Complete MM Barrel
FMP HK CONTRACT
$4,148.95HK21 Ultimate Build Kit- Matching Numbers with Michael's Machines Complete Barrel HK Parts brings you another exhaustive parts kit. Our numbers-matching Ultimate HK21 parts kit includes everything...HKP-22538$4,148.95 -
On Sale
HK MP5, 90 Series, AP5 Trigger - BLEMISHED
MKE
Now: $17.21Was: $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. ALLHKP-22519-BNow: $17.21Was: $34.95 -
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...HKP-22527$179.95 -
On Sale
HK SL8, G36, Sight Rail - Incomplete - BLEMISHED
H&K Heckler & Koch
Now: $292.46Was: $598.95Heckler and Koch HK SL8, G36, Sight Rail - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALY DOES NOT INCLUDE FRONT AND REAR SIGHTSHKP-17718-IN-BNow: $292.46Was: $598.95 -
On Sale
HK SL8 Buttstock Cheek Riser Piece - BLEMISHED
H&K Heckler & Koch
Now: $13.46Was: $34.95HK SL8 Stock Cheek Riser Piece - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALLYHKP-01701-BNow: $13.46Was: $34.95