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 Modular M.R.A Red Dot Adapter
Outer Impact
$55.95Red Dot Mount Adapter for H&K VP9 Pistol OuterImpact is excited to introduce the H&K VP9 pistol red dot adapter Mount-M.R.A. This product will allow the shooter to utilize a variety of red dot...HKP-20059$55.95 -
AR M-LOK Handstop Laser - Green
Viridian
$178.95Viridian AR M-LOK Hand Stop Laser - Green Viridian, the leader in weapon-mounted technology, is responsible for a number of firearm innovations - including green and red laser sights. Viridian's new...HKP-19464$178.95 -
On Sale
HK VP9L International Holster
Comp-Tac
$50.97 - $86.95Comp-Tac HK VP9L International Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this...HKP-19092-M$50.97 - $86.95 -
HK416, MR556 Super Modular Handguard - 10.5" - M-LOK - DDC - Geissele
Geissele
$504.0010.5" HK416 Handguard M-LOK The Super Modular Rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut,...HKP-19805$504.00 -
Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30
Real Avid
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling,...HKP-19399$10.95 -
HK VP9, VP9SK, VP40 Insert
H&K Heckler & Koch
$24.95H&K HK VP9/VP9SK, HK VP40 Insert Insert for HK VP9, VP40. Compatible With: HK VP9 <HKP-16801$24.95 -
HK417, MR762, G28 Sling Adapter - Ambi
H&K Heckler & Koch
$129.95Heckler and Koch Ambidextrous Sling Adapter for HK417, HK MR762, and HK G28 HK German manufactured MR762 and HK417 Sling Adapter Backplate. This backplate has ambidextrous sling attachment points...HKP-16994$129.95 -
HK USP Tactical Barrel - .40 S&W - 4.86" - Threaded 14.5x1 LH
RCM
$225.00RCM HK USP .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest...HKP-17745$225.00 -
Out Of Stock
HK45C Tactical Barrel - .45 ACP - 4.57" - Threaded .578x28 RH
RCM
$250.00RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RHHKP-17449$250.00 -
HK Mark 23, SOCOM Magazine Extension Kit - 24 Round
HKP HK Parts
$39.95Mark 23 .45 Cal - 24 Round Magazine Extension Kit The HK Parts manufactured Mark 23 mag extension allows the user to convert existing HK Mark 23 12 round magazine to an enhanced 24 round magazine...HKP-17556$39.95 -
Out Of StockOn Sale
HK USP, USP Tactical Barrel - 9mm - 4.86" - Threaded 13.5x1 LH
RCM
Now: $180.00Was: $225.00RCM HK USP 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride...HKP-16706Now: $180.00Was: $225.00 -
Out Of Stock
HK USP Light and Laser Combo - TLR-4 - Red
Streamlight
$229.95Streamlight TLR-4 Light and Laser - Red for HK USP Features: White LED with Red Laser Ambidextrous momentary/steady On-Off switchHKP-16916$229.95