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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HK416, MR556, HK417 A4, MR762 Pistol Grip - Black
H&K Heckler & Koch
$18.95H&K MR556/MR762/416/417 A4 Battle Grip - Black Factory H&K battle grip in black. Compatible With: MR556 A1/A4 HK416HKP-22028$18.95 -
On Sale
HK416, MR556 Dual Magazine Clamp
HKP HK Parts
$31.84 - $49.95HKP HK MR556/416 Dual Magazine Clamp Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic...HKP-21553-M$31.84 - $49.95 -
HK VP9 MOD 1 Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator: HK VP9 The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you...HKP-21223$179.95 -
HK MP5 Folding Brace - .22LR - Skeletonized
HKP HK Parts / SB Tactical
$249.95Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is...HKP-21053$249.95 -
HK MP5, HK94 Slimline Handguard - OD Green
H&K Heckler & Koch
$49.95H&K HK MP5 & HK94 Slimline Forearm Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5 & HK94. These are rare items only offered here at HK Parts. Each...HKP-20197-M$49.95 -
HK USP 9mm, .40 S&W Recoil Rod Assembly
H&K Heckler & Koch
$64.95Heckler and Koch HK USP 9mm and .40 S&W Recoil Rod Assembly New HK German USP full size USP 9/40 recoil assembly complete. A great spare part to have on hand as the recoil spring is a high-wear item.HKP-01458$64.95 -
HK CC9 Grip Frame
H&K Heckler & Koch
$29.99Heckler and Koch CC9 Grip Frame Factory HK CC9 grip frame. Made from high-strength polymer with molded texturing for durability and enhanced control. Compatible With: HK CC9HKP-22206$29.99 -
HK MP5, SP5 Handguard - SD Style Conversion
HKP HK Parts
$279.95HK Parts Handguard Conversion HK MP5SD Convert your standard MP5 to the iconic SD-style look with this HKP MP5SD handguard conversion. Designed for aesthetics only, this drop-in handguard gives your...HKP-22091$279.95 -
HK CC9 Magazine - 9mm - 10 Round - Flat Floorplate
H&K Heckler & Koch
$49.95H&K HK CC9 10 Round Magazine - Flat Floor PlateHKP-21570$49.95 -
HK 91, G3 Slimline Handguard - OD Green - LIKE NEW
H&K Heckler & Koch
$24.95HK Heckler and Koch Like New Slimline Forearm in OD Green for HK91 and HK G3 Like new German military surplus O.D. green slimline forearm with heat shield. For use on standard contour barrels not the...HKP-21477$24.95 -
HK416, MR556 Foregrip or Handstop - Angled - NAR Interface
B&T Brugger & Thomet
$50.00B&T Angled Foregrip / Hand Stop with NAR Interface A perfect solution for shooters who prefer an angled foregrip. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip...HKP-21416$50.00 -
On Sale
Sig Sauer P365 Stand Off Device
HKP HK Parts
Now: $37.46Was: $119.95HKP SIG P365 Stand Off Device The HK Parts P365 standoff is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is an...HKP-19284Now: $37.46Was: $119.95