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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HK417, MR762 Takedown Pin - Front - A1 Style
H&K Heckler & Koch
$59.95H&K HK MR762 Lower Receiver Front Takedown Pin - A1 Style This is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease...HKP-16602$59.95 -
HK417, MR762, G28 Receiver End Plate
H&K Heckler & Koch
$24.95H&K HK MR762/417/G28 Receiver End Plate New HK German factory. Compatible With: HK MR762 HK 417HKP-16610$24.95 -
HK45 Compact Tactical Backstrap - Medium
H&K Heckler & Koch
$29.95HK45 Compact Back Strap Medium Compatible With: HK45 CompactHKP-01617$29.95 -
HK P30 Series Grip Shell - Right - Large
H&K Heckler & Koch
$19.95Heckler and Koch Large Left Grip Shell for HK P30, P30L, and P30S Perfect for those who have slightly larger hands. Compatible With: HK P30HKP-01576$19.95 -
HK USP .45 ACP Extractor
H&K Heckler & Koch
$49.95HK German Extractor for USP 45 & USP Tactical .45 Full Size Pistol Compatible With: USP 45 USP 45 Tactical USP 45 Expert, EliteHKP-01275$49.95 -
HK USP Holster - Paddle - 9mm / .40 S&W
Comp-Tac
$74.95 - $82.95Comp-Tac HK USP 9mm / .40 S&W Paddle Holster The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The paddle is...HKP-18823-M$74.95 - $82.95 -
HK G36 Optical Sight Rubber Cover
H&K Heckler & Koch
$10.95H&K HK G36 Rubber Optical Sight CoverHKP-16377$10.95 -
Out Of Stock
HK UMP, USC Extractor - .45 ACP
USA
$39.95HK UMP & USC .45 Extractor Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once removed from the carrier,HKP-02623$39.95 -
HK UMP Paddle Magazine Release - Extended
HKP HK Parts
$34.95HKP HK Parts Extended Paddle Magazine Release for HK UMP 9mm, .40 S&W, .45 ACP Billeted alloy UMP magazine release. This is a very common repair and replacement part as they are fairly easy to break...HKP-17919$34.95 -
Out Of Stock
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24
PTR
$214.95PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one...HKP-18435$214.95 -
HK MP5K Parts Kit - 9mm - Pistol Build
HKP HK Parts
$1,889.95MP5K, MP5K-N Style Pistol Build Kit Complete The finest USA and German-made parts for a complete parts kit for an MP5K, MP5K-N pistol build. Each Kit Includes The Following HK Parts:HKP-02604$1,889.95 -
Out Of Stock
HK MP5K, SP5K, SP89 Barrel - 9mm - 5.85" - 3 Lug
RCM
$149.95RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-LugHKP-01764$149.95