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 VP9, USPC, P Series Magazine Housing - 15 Round
H&K Heckler & Koch
$29.95H&K 15 Round HK VP9/USPC/P Series Magazine Housing Brand new HK German factory magazine body for the 15 round 9mm magazine. Will also work with the 17 round and 20 round magazine components. This mag body is marked with the 1-15 round witness holes...$29.95 -
HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Pinky Rest - Rubberized
H&K Heckler & Koch
$19.9513 Round USPC & P2000 9mm Magazine Floor Plate w/ Pinky Rest This part is the new style floor plate that is rubberized to resist breakage when the magazine is dropped. Compatible With: HK USPC 9mm 13-round magazines HK P2000 9mm 13-round...$19.95 -
HK VP9, VP9SK, VP40 Trigger Spring
H&K Heckler & Koch
$3.95H&K HK VP9/VP9SK, HK VP40 Trigger Return Spring HK German stock trigger return spring. A must have spare part as the factory spring will wear with use. The TRS can also be damaged upon install if the spring tool is not used to install. Please order...$3.95 -
HK91, G3 SEF Navy Style Trigger Housing - Push Pin - USED
H&K Heckler & Koch
$29.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED This grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. This is truly an affordable upgrade for your...$29.95 -
HK416, MR556, HK417, MR762 Pistol Grip with Storage - Black
H&K Heckler & Koch
$49.95Heckler and Koch's Pistol Grip with Storage - Black New HK German factory battle grip with a storage compartment in the bottom. Each grip will fit all AR-15/M-16 lower receivers as well. It has a superior fit and feel to any other grip on the market...$49.95 -
HK Full Auto Paddle Magazine Release Bushing
H&K Heckler & Koch
$6.95H&K Full Auto Paddle Magazine Release Bushing - New New HK German paddle magazine release bushing for all 90 series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on semi-auto HK builds. This...$6.95 -
HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1, P-2
HKP HK Parts
$98.95HKP HK MP5, MP5K Aimpoint ACRO P1, P2 Optic Mount The HK Parts Aimpoint ACRO low-profile mount is perfect for shooters seeking a minimalistic mount with an absolute co-witness. Crafted in the US from aircraft grade aluminum and coated in...$98.95 -
HK93, 91, HK33 HK53, HK91, G3 Rear Sight Base Weldment - 5.56 / .223 / 7.62 / .308
HKP HK Parts
$29.95HK G3, HK91, PTR & HK93, 33 & 53, FMP21 Rear Sight Base Weldment New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each unit is precisely machined and the best rear base available...$29.95 -
HK MP5 Pistol Stabilizing Brace - .22LR - Skeletonized
SB Tactical
$149.95SB Tactical - HK MP5 .22LR Pistol Stabilizing Brace - Skeletonized Features: Complete assembly, ready-to-install Molded polymer end cap with QD socket Integral, side-folding mechanism Specifically designed for the HK MP5 .22LR US veteran designed...$149.95 -
On Sale
Russian GP-5 Gas Mask Kit - Soviet Military - New
Now: $10.46Was: $19.95Russian GP-5 Gas Mask Kit, New - Soviet Military New Soviet civil guard gas mask kit. Civil guard kits are the same as Russian military GP-5 gas masks but have a grey mask instead of military black. This type of gas mask was stored by the Soviets for the...Now: $10.46Was: $19.95 -
Kaw Valley Precision 9mm Mach 3-Lug Mount
Kaw Valley Precision
$89.99Kaw Valley Precision 9mm Mach 3-Lug Mount The Kaw Valley Precision MACH 3-Lug Mount is a fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common...$89.99 -
On Sale
HK G36, MP7, MP5 Complete Poster Set
H&K Heckler & Koch
Now: $7.46Was: $24.95H&K HK G36/MP7/MP5 Complete Poster Set Specifications: MP5 Parts Diagram: Height- 24" Width- 36" G36: Height- 24" Width- 18" MP7: Height- 24" Width- 18"Now: $7.46Was: $24.95