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 USP9, USP40 Compensator
HKP HK Parts
Now: $99.95Was: $199.95HK Parts Compensator for HK USP The HK Parts HK USP compensator will add a sleek and tactical look to your USP. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore...HKP-20813Now: $99.95Was: $199.95 -
HK MP5, MP5K Spare Parts Kit
H&K Heckler & Koch
$239.95H&K HK MP5, MP5K Spare Parts Kit HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K Spare parts kits for the most commonly worn parts needed to keep your precious MP5/MP5K going. This offering also includes a pouch to safely store all your replacement parts...HKP-20619$239.95 -
HK416, MR556 Piston Rod - Complete Assembly
H&K Heckler & Koch
$109.95Heckler and Koch Complete Piston Rod Assembly for your HK416, HK MR556, HK417, and HK MR762 A great replacement or spare to keep on hand. Compatible With: HK416, MR556 HK417, MR762 Please Note: Does not fit barrels less than 10 inches.HKP-00042$109.95 -
On Sale
HK UMP, USC Recoil Buffer
HKP HK Parts
Now: $8.95Was: $11.95HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP modelsHKP-18746Now: $8.95Was: $11.95 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Aluminum - USED - FMP
FMP HK CONTRACT
Now: $9.95Was: $11.95FMP Portuguese HK91, G3, PTR 20 Round Aluminum Magazine - Used Portuguese FMP 20-round aluminum magazine for HK91, G3, and PTR pattern rifles. A solid factory-style magazine option for range use, replacement needs, or adding extra mags to your setup...HKP-22713Now: $9.95Was: $11.95 -
On Sale
HK Men's Shirt - Short Sleeve - Bundesadler - Black
HKP HK Parts
$15.95 - $17.95HKP Mens Short Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: 100% Cotton High-fidelity DTG...HKP-21177-M$15.95 - $17.95 -
Out Of Stock
HK MP5, HK91, G3, HK33 Optic Mount - Picatinny
B&T Brugger & Thomet
$120.00B&T G3/91, 33/93, MP5/94 - Universal Scope Mount Specifitacions: Color: Black Height max: 35.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum MSN: 5340-25-149-2979 NATO Accessory Rails: 1 Part number:...HKP-16878$120.00 -
On Sale
UZI Magazine - 32 Round - New Old Stock
IMI
Now: $29.95Was: $59.95Uzi 32 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to help protect it against rust. These are the last...HKP-21230Now: $29.95Was: $59.95 -
HK P7 PSP, P7M8 Magazine Spring - 9mm - 8 Round
H&K Heckler & Koch
$8.958 Round HK P7 PSP & P7M8 9mm Magazine Spring Compatible With: P7 PSP P7M8HKP-01357$8.95 -
On Sale
HK MP5, HK94, MP5K, SP89 Firing Pin - Titanium
HKP HK Parts
Now: $39.95Was: $49.95HK Parts Titanium Firing Pin for HK MP5, HK MP5K, HK94, and HK SP89 Grade 6 Titanium firing pin. Each was made using the factory HK specifications from original HK German blueprints. This is the finest US made Titanium firing pin available anywhere, at...HKP-17601Now: $39.95Was: $49.95 -
On Sale
HK VP9SK Slide Conversion Kit - Optics Ready
H&K Heckler & Koch
Now: $69.95Was: $409.95HK VP9SK Kit - Slide Conversion - Optics Ready The VP9SK Optics ready slide quickly and easily converts a standard VP9SK OR VP9SK-B to an optics ready platform. Just install your existing barrel and recoil spring. Features: Cocking supports Complete...HKP-21047Now: $69.95Was: $409.95 -
On Sale
HK USP, USPC Bench Mat
HKP HK Parts
Now: $10.95Was: $13.95HKP HK Parts Bench Mat for HK USP and HKUSP Compact This isn't your ordinary gun cleaning mat! Show your pride for your firearm while using this high quality neoprene rubber backed and cloth top gun cleaning mat to protect your gun bench, desk, kitchen...HKP-17109Now: $10.95Was: $13.95