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 Mark Rear Sight - -4, 23 5.5mm
H&K Heckler & Koch
$45.95HK Mark 23 5.5mm -4 Rear Sight Other Rear Sight Heights: 5.5mm (-4) 5.9mm (-2) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)HKP-02258$45.95 -
HK VP9, P30, HK45 Front Sight 5.9mm - Red
H&K Heckler & Koch
$54.95Red Phosphorescent Front Sight - 5.9mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-18829$54.95 -
Out Of Stock
HK P2000SK .40 Slide - Incomplete
H&K Heckler & Koch
$597.95HK P2000SK .40 Slide - Incomplete This is a rare part to find. Brand new HK German part.HKP-02667$597.95 -
HK P2000, P2000SK Front Sight - 6.5mm
H&K Heckler & Koch
$19.95H&K HK P2000/P2000SK Front Sight 6.5mm Compatible With: HK P2000 HK P2000SKHKP-17417$19.95 -
$439.95 -
HK USPC, P2000 Magazine Floorplate - .40 S&W - 10 Round - Flat
H&K Heckler & Koch
$45.95H&K 10 Round HK USPC .40 S&W Flat Floor Plate Magazine New German HK 10 round floor plate flat style for low profile. Compatible With: HK USP Compact 40 S&W HK USP Compact 357 SIG HK P2000 40 S&WHKP-01197$45.95 -
Out Of Stock
HK VP40, USP Compact 9mm, .40 S&W Extractor
H&K Heckler & Koch
$42.95H&K HK VP40/USPC 9mm/.40 S&W Extractor New HK German factory OEM part. Compatible With: HK VP40 (Not for the VP9) HK USP Compact 9mm HK USP Compact 40 & .357 HK USP LEM modelsHKP-01130$42.95 -
HK USPC Barrel - 9mm - 3.58" - Non-Threaded
RCM
$199.95RCM HK USPC 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. Each USP Compact 9mm barrel is a drop-in fit for your HK USPC pistol. Specifications: Made in...HKP-16704$199.95 -
HK MR556, MR762 Fixed Tactical Sling Adapter
H&K Heckler & Koch
$86.95HK MR556 & MR762 Factory Sling Adapter - Fixed Factory HK German design & the finest design available & made to last. New HK manufactured part to allow the factory HK416, MR762 slings to fit & work on the MR556, MR762 as this adds...HKP-17553$86.95 -
HK416, HK417 Buttstock Release Lever
H&K Heckler & Koch
$21.95Heckler and Koch Buttstock Release Lever HK416 and HK417 The buttstock release lever locks the telescopic buttstock to the tubular rear buttstock extension. The buttstock is adjustable in length in 6 positionsHKP-18948$21.95 -
On Sale
HK416 Handguard - 9" Crux KeyMod - .22LR
Strike Industries
Now: $159.95Was: $249.95Strike Industries CRUX KeyMod Handguard for HK416 .22 LR - 9 Inch Lightweight 9-inch KeyMod handguard designed for HK416, HK MR556, and HK416 .22 platforms. This rail system reduces overall front-end weight compared to the factory assembly while...HKP-17347Now: $159.95Was: $249.95 -
Out Of Stock
HK UMP, G36 Notched Disk - 3 Position - 9mm, .40 S&W, .45 ACP, 5.56 / .223
H&K Heckler & Koch
$0.00HK Ratched Wheel Notched Disk For 3 Position Lowers Compatible With: HK G36 HK UMPHKP-01854$0.00