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 CC9 Firing Pin Disconnect
H&K Heckler & Koch
$5.95H&K CC9 Firing Pin Disconnect OEM firing pin disconnect for the H&K CC9 pistol. Controls firing pin engagement during the firing cycle. Compatible With: HK CC9HKP-22140$5.95 -
HK CC9 Disconnector
H&K Heckler & Koch
$13.95H&K CC9 Disconnector Made by H&K, this CC9 disconnector controls hammer release timing and prevents hammer follow during cycling. Compatible With: HK CC9HKP-22117$13.95 -
HK VP9, VP40 Slide Release Lever - Anti-Skid - Right
H&K Heckler & Koch
$67.95H&K VP Anti-Skid Slide Release Lever - Right Right side extended slide release lever. Can be combined with 260431, 50254706, 50239395. Compatible with: VP9 VP9L VP9 Match VP9 Tactical VP9SK VP9A1 VP40HKP-22012$67.95 -
HK VP40, USP40T Thread Protector - 14.5x1mm LH
H&K Heckler & Koch
$30.95H&K USP40T/VP40T Thread Protector The HK thread protector is a must have accessory when a sound suppressor or muzzle attachment is not mounted on your tactical pistol. The thread protector will prevent damages to the threads and crown. Compatible...HKP-21994$30.95 -
HK VPSK, P30SK Magazine Floorplate - 9mm - 13, 15 Round - Extended
H&K Heckler & Koch
$53.95H&K VP9SK/P30SK 13 & 15 Round Extended Floor Plate Factory HK floorplate extension for VP9SK 13 and 15 round magazines. Features a durable black polymer body with a textured finish for improved grip. Compatible With: HK VP9SK & P30SKHKP-21990$53.95 -
HK P30S, P30SK Safety Lever Detent Pin
H&K Heckler & Koch
$16.95H&K P30S/P30SK Safety Lever Detent Pin Detent pin for the manual safety mechanism on P30S and P30SK models. Compatible With: HK P30S HK P30SKHKP-21988$16.95 -
On Sale
HK G3 Buttpad - USED
USA
Now: $4.95Was: $14.95HK G3 Buttpad - USED HK G3 buttpad, condition will vary from part-to-part vs. the pictured unit. Compatible With: HK G3 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99071Now: $4.95Was: $14.95 -
Out Of Stock
HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A5
Nefarious Arms
$594.95Nefarious Arms HK MR556416 10.4" A5 Barrel An expertly crafted 10.4" barrel designed for the HK MR556 and 416 platforms. Featuring the A5 profile, this barrel balances durability and weight, making it an excellent choice for both tactical and...HKP-21873$594.95 -
HK416, MR556 Buffer Tube
H&K Heckler & Koch
$176.95H&K HK416, MR556 Complete Receiver Extension/Buffer Tube Genuine German complete receiver extension for the HK416 5.56/.223 platforms. Compatible With: HK416 MR556 ***Packaging may say "G26". This was a typo by HK.HKP-21872$176.95 -
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $19.95Was: $44.95HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm. Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...HKP-99062Now: $19.95Was: $44.95 -
HKP Bundesadler Coasters - Set of 6
HKP HK Parts
$24.99HKP Bundesadler Coasters - Set of 6 Designed to protect your surfaces in style, these coasters feature a durable top surface with a natural cork bottom, ensuring they stay firmly in place while safeguarding your furniture from water rings, scratches, and...HKP-21844$24.99 -
HK MP5K Stock With Direct Fit Adapter - 10mm / .40 S&W
HKP HK Parts
$289.95HKP HK MP5K .40/10mm Stock With Direct Fit Adapter Designed to adapt UMP style and B&T folding stocks directly to the .40/10mm K platform. Made in the USA and available exclusively at HK Parts Compatible With: HK MP5K .40/10mmHKP-21834$289.95