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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Out Of Stock
HK P7 Series Drop Safety Catch
H&K Heckler & Koch
$67.95Heckler and Koch HK P7 Series Drop Safety Catch Compatible With: P7 PSP P7M8 P7M10HKP-01356$67.95 -
Streamlight TLR-4 Tactical Light and Laser Combo - Green
Streamlight
$319.95Streamlight TLR-4 Tactical Light and Laser Combo - Green Compact weapon-mounted light and green laser combination unit featuring a white LED and integrated green aiming laser. Designed for...HKP-16914$319.95 -
HK P30, P2000 Release Latch & Decocker
H&K Heckler & Koch
$32.95Heckler and Koch HK P30 and HK P2000 Release Latch and Decocker Compatible With: HK P30 HK P30LHKP-01773$32.95 -
HK G36 Carrying Handle, Incomplete - No Single Optic
H&K Heckler & Koch
$149.95HK G36, SL8 Single Optic Carrying Handle Incomplete The optic housing- no optic included.HKP-16379$149.95 -
HK G36, SL8 Cocking Handle Spring - US
$9.95G36 Cocking Handle Spring- US Made Compatible With: G36 All variants SL8 All variantsHKP-18369$9.95 -
HK MP5 Locking Roller +2 - .40 S&W
HKP HK Parts
$11.95HK US MP5 .40 S&W Locking Roller, +2 The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mm Please Note: The price listed is per roller. Order 2 (pair) for a complete set...HKP-17564$11.95 -
HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Alpine Green - Surplus
H&K Heckler & Koch
$129.95HK German Surplus G3, 91, PTR Stock Complete with Enhanced Heavy Buffer Installed - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green...HKP-18934$129.95 -
On Sale
HK91, G3, PTR Magazine - 5 Round
HKP HK Parts
$50.97 - $79.95HKP HK 91/G3/MSG90 5 Round Magazine - Steel - (7.62x51/.308) 5 Round German Steel 308 Magazine With US Made Floorplate (Counts as 1 US made Part for 922R compliance) For HK Rifles.This magazine is...HKP-16250-M$50.97 - $79.95 -
HK53 Barrel - 5.56 / .223 - 8.275" - Threaded 15x1
RCM
$164.95RCM HK 53 (5.56/.223) Barrel - Threaded 15x1 These are the finest US-made barrels available and come highly recommended by HKPARTS. Machined 100% in the USA, 922r compliant, and counts as 1 US-made...HKP-01156$164.95 -
HK MP5 Field Cleaning Kit - .40 S&W, 10mm
HKP HK Parts / Heckler & Koch
$79.95HKP HK Parts and Heckler and Koch Field Cleaning Kit for HK MP5 40,10 This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners.HKP-00340$79.95 -
SB Tactical SBM4 Pistol Stabilizing Brace
SB Tactical
$74.99SB Tactical SBM4 Pistol Stabilizing Brace The SBM4 is the evolution of the original SB15 Pistol Stabilizing Brace . . . thinner, lighter and with enhanced cheek weld ergonomics. Includes:<HKP-17903$74.99 -
HK416 A5 Flash Hider - Threaded 1/2x28
H&K Heckler & Koch
$95.95HK Heckler and Koch German Flash Hider threaded 1/2x28 for HK416 5.56 / .223 This flash hider is not compatible with suppressors. Compatible With:HKP-18521$95.95