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 MP5, HK94 Recoil Guide Rod
H&K Heckler & Koch
$14.95New HK German MP5, 94 Recoil Guide Rod BarHKP-01054$14.95 -
On Sale
HK MP5SD Cocking Tube - 9mm - Left Hand
HKP HK Parts
Now: $79.95Was: $99.95MP5SD Cocking Tube - US Made - For Left-Handed Shooters HK German MP5SD spec cocking tube for use on MP5SD style builds or custom SD builds. Each unit is made from the original factory HK prints & tooling to the perfect HK MP5SD "F" style specs...HKP-18918Now: $79.95Was: $99.95 -
On Sale
HK MP5 Helmet Stock - Folding and Adjustable - 9mm
B&T Brugger & Thomet
Now: $303.95Was: $379.95B&T MP5 Folding Stock/Length Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5 and compatible HK MP5 style firearms. This is a military grade stock as supplied by B&T to military and law...HKP-18244Now: $303.95Was: $379.95 -
On Sale
HK MP5, HK94, HK34 Barrel - 9mm - 16.175" - Threaded 1/2x28
RCM
Now: $211.95Was: $249.95RCM MP5, HK34, HK94 Barrel - 9mm - 16.175"- Threaded 1/2x28 Each barrel is meticulously crafted from premium cold hammer forged (CHF) 41V45 steel, expertly profiled and chambered with a 16-flute chamber profile. Finished with a highly durable nitrided...HKP-17761Now: $211.95Was: $249.95 -
Out Of Stock
HK MP5, SP5, MP5K Flash Hider - 9mm - A2 Style - 3-Lug
HKP HK Parts
$99.95A2 Style Flash Hider for MP5, MP5K Made from high-quality, durable materials, the HKP HK Parts Flash Hider guarantees long-lasting performance and corrosion resistance, making it an essential addition for both tactical operators and firearm...HKP-22706$99.95 -
On Sale
Now: $101.95Was: $120.95 -
On Sale
HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED
HKP HK Parts
Now: $89.95Was: $149.95HKP HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of...HKP-99398Now: $89.95Was: $149.95 -
On Sale
HK VP9SK Holster - Defender IWB - Right Hand
Black Ash Tactical
Now: $44.95Was: $49.95Black Ash Tactical Defender Inner Waistband Kydex Holster for HK VP9SK Inside-the-waistband Kydex holster for the HK VP9SK. Each holster is handcrafted in the USA for a precise fit and a clean draw with positive retention. Features: IWB...HKP-22438-MNow: $44.95Was: $49.95 -
On Sale
HK FMP G3 Rear Receiver Section - SURPLUS
FMP HK CONTRACT
Now: $19.95Was: $24.95H&K G3 Complete Parkerized Rear Receiver Section without Rear Sight - SURPLUS UNIT CONDITION WILL VARY Steel rear receiver section manufactured by FMP on HK tooling. Does not include the rear sight. Compatible with: HK G3, HK91 In-spec...HKP-22375Now: $19.95Was: $24.95 -
On Sale
HK VP9SK EDC Magwell
HKP HK Parts
Now: $46.95Was: $55.95HKP HK VP9SK EDC Magwell Lightweight alloy magwell for quicker mag swaps while maintaining a low-profile. Features: CNC machined from billet aluminum Type 3 hard coat anodized finish Functional funnel design for faster, smoother reloads Made in...HKP-22330-MNow: $46.95Was: $55.95 -
HK P7, P9 Extractor
H&K Heckler & Koch
$34.95H&K HK P7/P9 Extractor - Short / 7.65mm Removes spent casings from the chamber of H&K P7 and P9 pistols for reliable cycling. Compatible With: HK P7 K3HKP-22236$34.95 -
HK416, MR556 Bayonet Adapter - M27 Style
H&K Heckler & Koch
$69.95Heckler and Koch Bayonet Adapter HK416, MR556 for M27 Build OEM bayonet adapter for HK416 and MR556 rifles for M27-style builds. Mounts to the barrel assembly to accept a standard bayonet. Specifications Bayonet adapter only (roll pin sold...HKP-22191$69.95