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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HKP HK 45/45C Bench Mat
HKP HK Parts
$13.95HKP HK 45/45C Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK45, HK45C firearm while using this high quality neoprene rubber backed and cloth top gun cleaning mat to protect your gun bench, desk, kitchen table, or...HKP-17171$13.95 -
On Sale
HK P30 Series Extended Competition Magwell
HKP HK Parts
Now: $49.95Was: $74.95HK P30, P30S & P30L Extended Magwell, Jet funnel Kit - Competition The HK Parts manufactured Competition P30 extended magwell is CNC machined in the USA from billet aircraft grade aluminum that is hard coat anodized & Teflon coated for...HKP-17979Now: $49.95Was: $74.95 -
Sling - 2 Point - Leather and Cotton
HKP HK Parts
$59.952 Point Leather & Cotton Sling Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German artisan using quality US leather and hardware. Each sling is approximately 48" long...HKP-21320-M$59.95 -
On Sale
HK G3 Parts Kit - 2 Magazines
FMP HK CONTRACT
Now: $189.95Was: $229.95FMP - G3 Parts Kit - With Mags The G3 has been an iconic battle rifle utilized all over the world and revered as one of the best that H&K has offered. You now have the opportunity to build one of these iconic battle rifles. Licensed by H&K and...HKP-20865Now: $189.95Was: $229.95 -
On Sale
HK P30L Railok™ Compensator
HKP HK Parts
Now: $129.95Was: $189.95HK Parts Railok™ Mounting System Compensator: HK P30L for Threaded Barrel The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip...HKP-21145Now: $129.95Was: $189.95 -
HK416, MR556 Magazine - 30 Round - Tan
H&K Heckler & Koch
$149.9530 Round Magazine with Window - Sand Tan - Gen 3 - Heckler & Koch Factory German HK 30-round Gen 3 polymer magazine. These magazines come bulk packed from HK and therefore are not individually packaged. ***We have a limited number of these...HKP-19358$149.95 -
Out Of Stock
HK P2000SK Magazine Floorplate - 9mm - 10 Round - Extended
H&K Heckler & Koch
$22.95HK German P2000 SK Magazine Floor Plate - Extended P2000SK extended magazine floor plate fits all P2000 SK magazines. The perfect floorplate if you want a place for your pinky when grasping the firearm. Compatible With: P2000 SK P30SK (with slight...HKP-17399$22.95 -
HK Single Point Sling - OD Green
HKP HK Parts
$29.95HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...HKP-09057$29.95 -
HK VP9 Optic Plate #10 - Sig Romeo 1 PRO - Red Dot Pistol Mount
HKP HK Parts
$49.95HK VP9 Series Optics Ready #10 - Sig Romeo 1 PRO - Optic Mount - Steel The finest all steel mounting solution for your HK VP9 series optic ready model. New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of...HKP-20028$49.95 -
HK VP9L MOD 1 Compensator
HKP HK Parts
$189.95HK Parts MOD 1 Compensator: H&K VP9L 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 back on target quicker. Each MOD 1 comp includes...HKP-21434$189.95 -
HK MP5, HK53, HK93, G3 Housing - 3 Position S,U,O Pictogram - Contract Housing - 9mm, 5.56 / .223, 7.62 / .308 - USED
H&K Heckler & Koch
$29.95H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictogram (S, U, O) for versatile fire control...HKP-19912$29.95 -
HK MP5 Receiver Flat with Weldment Set - 9mm
HKP HK Parts
$219.95HKP HK MP5 9mm Receiver Flat with Weldment Set New MP5 receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...HKP-20920$219.95