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, VP9SK, VP40 Elbow Spring, Drop Safety
H&K Heckler & Koch
$5.95H&K HK VP9/VP9SK, VP40 Drop Safety Elbow Spring Compatible With: HK VP9 <HKP-16835$5.95 -
HK417, MR762, G28 Slimline Retractable Buttstock - RAL8000
H&K Heckler & Koch
$146.95Heckler and Koch Slimline Buttstock - RAL 8K New from HK Germany the slim line retractable buttstock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417,...HKP-17136$146.95 -
HK USP, USP Compact Lanyard Loop Insert
H&K Heckler & Koch
$13.95HK USP/USPC Lanyard Loop Insert Compatible With: HK USP 9mm HK USP .40 HK USP Compact 9mmHKP-01935$13.95 -
HK417, MR762 Take Down Tool
H&K Heckler & Koch
$9.95H&K HK MR762/417 Take Down Tool This item is used to take down the upper receiver from the lower receiver as well as tighten down the stock movement on the E1/E2 stock. Each tool will be stored in...HKP-14438$9.95 -
Out Of Stock
HK416, MR556 Ejection Port Cover Assembly
H&K Heckler & Koch
$89.95HK German HK 416, MR556 Ejection Port Cover Door Assembly Complete This is the newer polymer style cover found on the latest HK 416 and MR556's. This is the complete ejection port door assembly...HKP-16951$89.95 -
HK91, G3, PTR Magazine - 10 Round - Steel
H&K Heckler & Koch
$73.9510 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the...HKP-01607$73.95 -
HK33, HK53, HK93 Locking Piece # 7 - 55 Degree
RCM
$49.95RCM HK 93/53/33 # 7 Locking Piece 55 Degree New 55 Degree #7 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect...HKP-16556$49.95 -
HK Burst Eccentric Bushing
H&K Heckler & Koch
$59.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part...HKP-02647$59.95 -
HK MP5 Brace and HKP Adapter - Skeletonized
HKP HK Parts / SB Tactical
$299.95SB Tactical Side Folding Brace For The HK MP5, SP5 model Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter...HKP-21055$299.95 -
HK53 Bolt Carrier - Full Auto - RCM
RCM
$389.99RCM HK53 Full Auto Bolt Carrier US manufactured new-style HK53 factory bolt carrier. The finest HK53 carrier ever made with the latest & greatest German inspired improvements and updates. Ideal for...HKP-20538$389.99 -
Barrel Bore Cleaning Brush - .45 ACP
USA
$1.95HK .45 ACP Barrel Bore Cleaning Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common...HKP-02757$1.95 -
Out Of Stock
HK USPC Tactical Barrel - 9mm - 4.28" - Threaded 13.5x1 LH
RCM
$225.00RCM HK USPC 9mm Tactical Barrel - Threaded 13.5x1 LH Each USPC tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest...HKP-01706$225.00