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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK91, G3, PTR Bench Mat
HKP HK Parts
$24.95HK G3, HK91 & PTR 7.62 Bench, Gunsmithing Repair Mat Our HK G3 bench mat is the perfect cleaning & repair mat designed specifically for your HK G3 models. Have fun and learn while you work on your...HKP-17283$24.95 -
HK USP Firing Pin - New Style
H&K Heckler & Koch
$79.95HK USP New Style Firing Pin A must-have spare and replacement part for your HK pistol, as the firing pin is one of the most important spare parts to have on hand. Brand new HK German manufactured...HKP-01565$79.95 -
HK USP Compact Optic Plate - Trijicon RMR, Holosun SRO - Red Dot Pistol Mount
Evolution Gun Works
$49.95Evolution Gun Works HK USP Compact Trijicon RMR-SRO, Holosun 407C-507C Mount Includes: Mounting hardware Features: MHKP-20043$49.95 -
HK416, MR556 Mil-Spec Enhanced Buffer Tube
H&K Heckler & Koch
$254.95HK 416 & MR556 OTB (over the beach) Buffer Tube/Receiver Extension Each mil-spec buffer tube has built-in drainage holes in the rear of the tube and also on the bottom to maximize efficiency. Each...HKP-02716$254.95 -
Out Of Stock
HK416, MR556 Barrel Nut Installation and Removal Tool
HKP HK Parts
$59.95HK 416, MR556 Barrel Nut Installation & Removal Tool New US manufactured barrel nut removal and installation tool. Each tool has the provision installed to allow the use of an off the shelf 1/2"...HKP-17327$59.95 -
HK P30 Series Right Slide Release Shorty
H&K Heckler & Koch
$32.95Heckler and Koch Right Slide Release Shorty for HK P30 Series This is a shorter version slide release for the HK, P30, P30L, P30S, P30SK, and P30SKS "Safety" version models. The short models are...HKP-02487$32.95 -
HK45 Compact, USP Compact, P2000, P30 Recoil Rod Bushing Sleeve
H&K Heckler & Koch
$6.95Recoil Rod Bushing Sleeve It is a must-have spare part to have on hand as this is a high-wear item. Compatible With: HK 45 Compact, HK45C TacticalHKP-01765$6.95 -
On Sale
HK MP5, AP5 Slimline Handguard
MKE
Now: $25.28Was: $44.95MKE AP5/MP5 Slimline Forearm The classic and rare slimline style hand guard crafted by MKE in Turkey is specifically designed for the Century AP5, MP5, and other in-spec clones. The original HK...HKP-22222Now: $25.28Was: $44.95 -
On Sale
Canik TP9SFX Rival Compensator
HKP HK Parts
Now: $73.10Was: $189.95HKP Canik SFX Rival Compensator - Gold/Gray Crafted from aircraft-grade billet aluminum and finished in durable cerakote. Features multiple muzzle ports and the additional weight to significantly...HKP-21396-MNow: $73.10Was: $189.95 -
HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever Set
H&K Heckler & Koch
$89.95HK P2000, P2000SK, 45 & 45C Slim Slide Release Lever Set This set provides a lower profile slide release for those who conceal carry or ride the slide and prefer a lower profile slide release...HKP-02388$89.95 -
Out Of Stock
HK416, MR556 Bench Mat
HKP HK Parts
$24.95HK MR556, HK 416 Bench Mat Our HK MR556, HK416 bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch MR556 & HK416 models. Have fun and learn while you work on...HKP-17169$24.95 -
HK .45 ACP Laser Bore Sighter
AIM
$19.95AIM .45 ACP Laser Bore Sighter Red laser bore sighter designed for .45 ACP firearms to assist with initial optic or sight alignment. This chamber-insert style bore sighter allows users to get on...HKP-16217$19.95