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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On Sale
HK VP9 Optic Mount #2 - Trijicon RMR, Holosun, Swampfox - Red Dot Pistol Mount
HKP HK Parts
Now: $39.95Was: $49.95HKP HK Parts HK VP9 Mount - Optic - #2 - Holosun, RMR The finest all steel mounting solution for your HK VP9 Series Optic Ready model. New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of ordnance grade steel,...HKP-19564Now: $39.95Was: $49.95 -
Out Of Stock
HK VP9, P30 Magazine - 10 Round - 9mm
H&K Heckler & Koch
$59.95HK VP9/P30 9mm 10 Round Magazine New HK German manufacture. Each magazine holds ten rounds only. This is the factory-correct magazine, not a knock-off or pinned 15-round magazine. Compatible With: VP9, VP9 OR, VP9 Tactical, VP9-B VP9 A1: VP9F,...HKP-01273-M$59.95 -
On Sale
HK416, MR556, AR-15 Magazine - 30 Round - Windowed
Magpul
Now: $13.95Was: $15.95Magpul PMAG 30 Round MR556/416 & AR-15 (5.56/.223) Magazine-Windowed The Gen M3 PMAG is a 30-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Modified internal and external geometry also permits operation...HKP-16441Now: $13.95Was: $15.95 -
HK416 Magazine - 30 Round - .22LR Pistols and Rifles
H&K Heckler & Koch
$34.95HK, Umarex, Walther, HK416 - .22LR Magazine - 30 Round Magazine Heckler & Koch Factory magazines are made to H&K specifications and tolerances using high quality materials that provide perfect fit, durability and reliability. Expect these...HKP-19834$34.95 -
HK MP5, HK90 Series Extractor Spring - FMP
H&K Heckler & Koch
$3.49HK Parts contracted with FMP to bring you this Rifle Extractor Spring New FMP contract! The extractor spring is the number one replaced item on HK firearms. Many HK gunsmiths recommend upgrading with the longer stronger silver spring. Upgrade your...HKP-16248$3.49 -
HK VP9, P30 Magazine - 17 Round - Red Follower - 9mm
H&K Heckler & Koch
$49.95Heckler and Koch 17 Round 9mm Red Follower for HK VP9 and HK P30 New HK German manufacture and factory fresh production. This is the same mag as the standard VP9 and P30 17 round magazine only this mag comes with a factory HK German red follower...HKP-19627$49.95 -
HK Pistol O-Ring - .45 ACP Barrel - Green
H&K Heckler & Koch
$4.95O-Ring for .45 caliber barrels HK introduced O-rings with the HK Mark 23 and HK USP 45 Tactical pistols. Features: Original green color no longer in production Same high-temperature rubber as the newer black O-rings Factory part that provides the seal...HKP-01984$4.95 -
On Sale
HK Small Push Pin for Handguards and Lowers
USA
Now: $5.95Was: $7.59HK Small push pin - US Made All steel small push pin for use on the lower grip housing for a push pin style of lower housing. Black nitride finish which adds extra durability to the pin plus corrosion and abrasion resistance. The small push pin is also...HKP-20397Now: $5.95Was: $7.59 -
Heckler & Koch Decal Sticker - 5 pack
H&K Heckler & Koch
$0.00Factory Heckler & Koch Logo Decal In Black & Red These decals are the perfect addition to your safe, vehicle, motorcycle, boat, or just about anywhere. Show the world that "In a world of compromise some don't...HKP-02533$0.00 -
HK MP5, MP5K Extractor - 9mm
H&K Heckler & Koch
$79.95New HK German HK 9mm Extractor - Latest Generation This is the latest and greatest HK MP5 (newest F style version) German extractor. Each unit works with all HK MP5, HK94, HK MP5K, HK SP89, HK SP5K, or other 9mm clones. A great part to have as a spare or...HKP-00057$79.95 -
On Sale
HK Rear Sight Tool - Diopter Sights
HKP HK Parts
Now: $23.95Was: $29.95HK Diopter Rear Sight Tool - Military Contract Diopter sight tool is perfect for those that need to adjust all sizes of HK diopter type sights for the entire family of HK rifles including clones. A military contract over-run and mil-spec quality at the...HKP-16511Now: $23.95Was: $29.95 -
HK VP, USP, P30, P2000, HK45 Roll Pin
H&K Heckler & Koch
$2.95HK German Roll Pin German HK roll pin is crafted from a process using rolled spring steel resulting in robust part with stable fitment. HK suggests replacing the roll pin with a new unit each time it is removed. Fits and retains the extractor, mag...HKP-01921$2.95