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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HK G3 Buffer Screw Crush Washer
H&K Heckler & Koch
$0.95HK G3 Crush Washer For Buffer ScrewHKP-16984$0.95 -
HK MP5, HK90 Series Selector Lever - Ambi - Right Side
H&K Heckler & Koch
$89.95Heckler and Koch Ambidextrous Selector Lever - Right Side This is the right-side selector of the ambidextrous trigger packs. This part will only work on ambidextrous style or pictogram style housing...HKP-00127$89.95 -
HK MP5, MP5K, SP89 Handguard with Handstop
HKP HK Parts
$29.95HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5KHKP-17397$29.95 -
HK91, G3 Backplate and Recoil Rod Assembly, Complete
H&K Heckler & Koch
$24.95Heckler and Koch Complete Backplate and Recoil Rod Assembly for HK91 and HK G3 Used- Surplus- in good shape. Each backplate comes in the parkerized finished as issued to the German military complete...HKP-16144$24.95 -
HK MP5, HK94, SP89, SP5K Magazine Floorplate - 9mm
H&K Heckler & Koch
$10.95HK MP5, 94, MP5K, & SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.HKP-01051$10.95 -
Out Of Stock
HK USPC Pistol Light, Laser Adapter - Mount - Gen 2
USA
$27.95USP Compact Pistol Laser & Light Adapter This is the adapter needed for all HK USP Compact pistols to attach an aftermarket light or laser to the bottom rail of the firearm since HK USP's use a...HKP-00959$27.95 -
HK45, HK45C, P30, P2000 , USP Flat Spring
H&K Heckler & Koch
$9.95HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mmHKP-01259$9.95 -
Pistol Stabilizing Brace - SBA4
SB Tactical
$124.99SB Tactical SBA4 Pistol Stabilizing Brace Designed for all platforms capable of accepting a mil-spec carbine receiver extension. The SBA4 is 5-position adjustable and features an integral,...HKP-19927$124.99 -
HK G3 Buffer Screw Locking Washer
H&K Heckler & Koch
$0.95HK G3 Buffer Screw Locking Washer Used in good, working conditon.HKP-16983$0.95 -
Out Of Stock
HK Mark 23 Micro Comp - Threaded 16x1 RH
HKP HK Parts
$29.95HKP HK Mark 23 .45 ACP Micro Comp - Threaded 16x1 RH The HK Parts Micro Comp & Thread Protector is a lightweight, fully functional accessory that serves as both a compensator and thread protector. It...HKP-21319$29.95 -
HK MP5, HK94 Cocking Tube Support - Steel - HKP
HKP HK Parts
$49.95MP5 All Steel Cocking Tube Support 9mm - USA: Made entirely from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at the best price. Each MP5 9mm...HKP-18040$49.95 -
On Sale
HK33, HK53, HK93 Backplate - Painted - BLEMISHED
H&K Heckler & Koch
Now: $29.96Was: $59.95H&K 93/53/33 (5.56/.223) Backplate - Painted - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK...HKP-16254-BNow: $29.96Was: $59.95