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 VP9, P30, HK45 Optic Plate - Vortex Razor, C-More STS - Red Dot Pistol Mount - Dovetail
Evolution Gun Works
$49.95Evolution Gun Works HK VP9, P30, HK45, HK45C Vortex Razor Mount Replaces the factory rear sight to give a sturdy mounting platform for running a Vortex Razor optic. The mount presses into place...HKP-20047$49.95 -
HK417, MR762, G28 Firing Pin
H&K Heckler & Koch
$64.95H&K HK MR762/417/G28 Firing Pin This firing pin is a must have wear and tear replacement item for your MR762 or HK 417 Firearm. Compatible With: MR762 HK 417HKP-16613$64.95 -
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 -
HK P30, P2000 Release Latch & Decocker
H&K Heckler & Koch
$59.95Heckler and Koch HK P30 and HK P2000 Release Latch and Decocker Compatible With: HK P30 HK P30LHKP-01773$59.95 -
On Sale
HK G36, SL8 Cocking Handle Spring - US
Now: $8.96Was: $9.95G36 Cocking Handle Spring- US Made Compatible With: G36 All variants SL8 All variantsHKP-18369Now: $8.96Was: $9.95 -
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 -
On Sale
HK53 Barrel - 5.56 / .223 - 8.275" - Threaded 15x1
RCM
Now: $148.46Was: $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-01156Now: $148.46Was: $164.95 -
On Sale
SB Tactical SBM4 Pistol Stabilizing Brace
SB Tactical
Now: $67.50Was: $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-17903Now: $67.50Was: $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 -
On Sale
Barrel Bore Cleaning Brush - 5.56 / .223
HKP HK Parts
Now: $1.45Was: $1.95HKP Barrel Bore Cleaning Brush - 5.56 / .223 HKP barrel bore cleaning brush for 5.56 and .223 caliber HK firearms. Designed to help remove fouling and buildup from the bore during routine...HKP-99476Now: $1.45Was: $1.95 -
HK MP5 Optic Rail - M-LOK - Midwest G2
MI Midwest Industries
$136.95Midwest Industries HK MP5 Optic Rail M-LOK Mil-Spec optic rail designed for the HK MP5 platform featuring M-LOK attachment points. Provides a stable mounting surface for optics and accessories on MP5...HKP-22536$136.95