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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On Sale
HK MP5 Handguard - Bottom Rail
Command Arms Accessories
Now: $142.95Was: $189.95Command Arms HK MP5 Handguard - Bottom Rail Command arms bottom rail handguard for the MP5. Designed to replace the factory handguard with an aluminum Picatinny system, this setup provides a stable mounting platform for foregrips and other rail-mounted...HKP-99462Now: $142.95Was: $189.95 -
On Sale
HK MP5, MP5K, MKE AP5, AP5-P Case Deflector - 9mm Receivers - Incomplete
MKE
Now: $14.95Was: $24.95MKE AP5, AP5-P, HK MP5, MP5K Case Deflector for 9mm Receivers - Incomplete This incomplete steel case deflector is manufactured by MKE for AP5 firearms and fits MP5-pattern 9mm receivers. It installs on the ejection-port flat of the receiver and is...HKP-99461Now: $14.95Was: $24.95 -
HK VP9CC Grooved Pin For Release Catch
H&K Heckler & Koch
$5.95HK VP9CC Grooved Pin for Release Catch Factory HK grooved pin for the release catch for the HK VP9CC pistol. Compatible With: VP9CCHKP-22755$5.95 -
HK91, G3 Cocking Handle - Black - Rubberized - Surplus -Used
H&K Heckler & Koch
$24.95HK German HK G3 & HK 91 Rubberized Cocking Handle- Used Used German military surplus from G3 Military rifles. Each comes complete, black in color. Date coded. Made by HK for the German military. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK...HKP-22849$24.95 -
On Sale
HK MR762 A4 Upper Receiver Kit - 13" - BLEMISHED
H&K Heckler & Koch
Now: $2,199.95Was: $2,499.95HK MR762 A4 Upper Receiver Kit - 13" - BLEMISHED USED FOR TESTING - RAN 90 ROUNDS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The MR762 A4 kit contains a...HKP-22399-BNow: $2,199.95Was: $2,499.95 -
On Sale
3 Point Sling Holding Clip - Replacement - BLEMISHED
H&K Heckler & Koch
Now: $14.95Was: $19.953 Point Sling Holding Clip - Replacement - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is the hard-to-find holding clip that secures the...HKP-01043-BNow: $14.95Was: $19.95 -
HK VP9CC Pressure Spring For Catch
H&K Heckler & Koch
$5.95HK VP9CC Pressure Spring For Catch Factory HK pressure spring for the HK VP9CC pistol. Compatible With: VP9CCHKP-22758$5.95 -
HK VP9CC Disconnector
H&K Heckler & Koch
$41.95HK VP9CC Disconnector Factory HK disconnector for the HK VP9CC. Compatible With: VP9CCHKP-22752$41.95 -
HK VP9CC Striker Assembly - Complete
H&K Heckler & Koch
$85.95HK VP9CC Striker Complete Assembly Factory HK complete striker assembly for the HK VP9CC pistol. Compatible With: VP9CCHKP-22734$85.95 -
HK VP9CC REAR SIGHT, BLACK
H&K Heckler & Koch
$57.95HK VP9CC Rear Sight Factory HK rear sight for HK VP9CC pistols. Compatible With: VP9CCHKP-22732$57.95 -
Surefire, XC3-A Universal and Picatinny Rails, 550 Lumens- Black
Surefire
$295.95Surefire XC3-A Compact Pistol Light The XC3 combines powerful illumination, intuitive ambidextrous controls, and a compact, holster-friendly design. Built from aerospace-grade aluminum and powered by a front-loading CR123A battery. Best suited for...HKP-22816$295.95 -
On Sale
HK VP9, VP9SK, VP40 Trigger - Complete - BLEMISHED
H&K Heckler & Koch
Now: $29.95Was: $44.95HK VP9, VP9SK, VP40 Trigger - Complete - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COMPLETE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Compatible...HKP-16777-BNow: $29.95Was: $44.95