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 MP5 Magazine Catch - Turkish Contract - Seconds
Other
Now: $7.46Was: $19.95Turkish Contract Magazine Catch for HK MP5 9mm - Seconds Turkish contract raw magazine catch for the MP5. This part is ideal for replacement, restoration, or custom fitment work on compatible builds...HKP-99485Now: $7.46Was: $19.95 -
HK91, G3, HK33, HK93 Bayonet Adapter Replacement Kit - Turkish Contract
Other
$14.95Turkish Contract Bayonet Adapter Replacement Kit for HK91, HK G3, HK33, HK93 Turkish contract replacement hardware kit for early-style bayonet adapters. Intended for use with pre-ban pattern adapters...HKP-22518$14.95 -
Out Of Stock
HK416, MR556 Upper Receiver - Stripped - No Forward Assist
H&K Heckler & Koch
$489.99HK416, MR556 Upper Receiver - Stripped - No Forward Assist Genuine HK HK416 upper receiver designed for HK416 and MR556 rifle platforms. This stripped receiver does not include a forward assist or...HKP-22506$489.99 -
HK416, MR556 Flash Hider - 3 Prong - Threaded 1/2x28
B&T Brugger & Thomet
$100.00Brugger and Thomet Assault 3 Prong Flash Hider - 1/2x28 3-Prong muzzle device with 1/2x28 threading, designed to reduce muzzle flash and improve shooting performance. Features: High performanHKP-22216$100.00 -
HK G36 Magazine - 30 Round - LEO Marked - USED
H&K Heckler & Koch
$195.99H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED CONDITION VARIES BY UNIT - SOLD INDIVIDUALLY HK German 30-round magazine, LEO marked, designed to perfectly fit all G36, G36K, G36CHKP-22212$195.99 -
HK VP9SK Magazine, Complete - 14 Round
HKP HK Parts / Heckler & Koch
$69.95HK Parts and Heckler and Koch 14 Round Complete Magazine for HK VP9SK HK Parts modifies an existing 12 round magazine with a +2 extension to create a fully functional 14 round magazine...HKP-21864$69.95 -
On Sale
HK G36K, G36C Rail - 13 Slot - Black - BLEMISHED
UTG
Now: $22.46Was: $64.95HK G36K/G36C 13 Slot Rail - Black - BLEMISHED CONDITION MAY VARY ONLY 13 SLOT RAIL INCLUDED. NO HARDWARE INCLUDED. COSMETICAHKP-00272-BNow: $22.46Was: $64.95 -
R3D 2.0 Night Sights - Orange
XS Sights
$127.95XS Sight Systems R3D 2.0 Night Sights - Orange Their second-generation R3D night sights are engineered to give you a brighter stronger set of sights. Easily install their sights with a set that...HKP-21464$127.95 -
On Sale
HK G36, HK33 Muzzle Device- RRD-360 - Threaded 15x1
JMAC Customs
Now: $77.95Was: $99.95JMAC 5.56 / .223 Muzzle Device Threaded 15x1 for HK G36 and HK33 The RRD-360 Muzzle Device from JMAC Customs is unlike others on the market today. This device vents gasses 360 degrees away from your...HKP-21258Now: $77.95Was: $99.95 -
On Sale
HKP Racerback Tank - Black
HKP HK Parts
Now: $5.60Was: $14.95HKP Racerback Tank - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this racerback is certain to catch an eye at the range! Features:HKP-21031-MNow: $5.60Was: $14.95 -
Out Of Stock
HK P30, P30S Barrel - 9mm - Threaded 1/2x28 RH - Tactical
H&K Heckler & Koch
$449.95H&K P30 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK German barrel now includes a factory HK German thread protector, designed specifically for threaded P30 barrels in 1/2x28. We start with a new...HKP-19964$449.95 -
HK416, MR556 Handguard - 9" - M-LOK
H&K Heckler & Koch
$257.95H&K HK MR556/HK 416 9" M-LOK Handguard - Black New HK German manufactured forearm for the HK 416 and MR556 firearm. Comes exactly as pictured. Compatible With: HK MR556HKP-19670$257.95