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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HKP Bundesadler Patch
HKP HK Parts
$6.99HKP Bundesadler Patch Get your hands on some of our premium new patches! 100% high grade rubber PVC patch with velcro backing for its outer carrier. Features: Velcro Back Official HKP MerchandiseHKP-21295-M$6.99 -
Picatinny Optic Rail - Claw Adapter
UTG PRO
$14.95HK Claw Mount To Picatinny Style Rail This part allows all STANAG style scopes to accept the universal Picatinny style rail. Each rail adapter comes with rail and mounting hardware. This part adds 6 1/8 inches of rail space to the top of your claw mount...HKP-02042$14.95 -
HK Picatinny Rail For HK Receivers - 15 Slot
HKP HK Parts
$59.95HKP Picatinny Rail For HK Receivers - 15 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...HKP-18241$59.95 -
HK UMP, USC Picatinny Rail Screw
$0.75HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw Good spares to have on hand as screws can get damaged or lost.HKP-16562$0.75 -
HK MP5K, SP5K Stock or Brace Adapter - Picatinny Rail
HKP HK Parts
$129.95HKP HK MP5K/SP5K/SP89 Picatinny Rail Brace/Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock, Brace to your MP5K.The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many traditional stock...HKP-21385-M$129.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote
H&K Heckler & Koch
$85.95 - $89.95Heckler and Koch MP5, SP5, SP5K, MP5K 9mm 30 Round Curved Magazine Factory fresh Heckler and Koch 30 round, curved 9mm. When only the best will do. Each magazine starts life as a brand-new, factory-sealed magazine, which is then expertly Cerakoted in...HKP-19979-M$85.95 - $89.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote
Zenith
$48.95Zenith 30 Round HK MP5 Magazine Features: Cerakote finish - Many colors to choose from All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed lips High-tensile compression...HKP-20832-M$48.95 -
HK Pistol Handgun Grip
Hogue
$11.95Hogue Grips Universal HK Handgun Grip The Hogue Grip hugs the contours of your gun. Molded from their modern" soft" but durable rubber" Handall grip sleeves are easily installed and provide years of dependable service. Soft textured rubber...HKP-02519$11.95 -
HK91, G3 Firing Pin Spring
H&K Heckler & Koch
$9.95HK German HK G3, HK91, & PTR Firing Pin Spring This is a common repair and replacement item and is great for spares as this is a common breakage part.HKP-00498$9.95 -
HK416, MR556 Magazine - 10 Round
H&K Heckler & Koch
$74.95Heckler and Koch HK416 and HK MR556 Factory - 10 Round Steel Maritime Coated Magazine Compatible with AR-15 & M16 firearms. All steel & stainless construction, maritime coated & made to last a lifetime. Compatible With: HK...HKP-02421$74.95 -
HK German Sling - 3 Point - Factory Original - Green
Other
$99.953 Point Factory Sling HK German - Green New HK German manufactured. This sling can be used as a 2-point or 3-point sling on your HK firearm. This sling is the factory HK-issued sling that came on the 90 series of firearms. Compatible...HKP-00182$99.95 -
HK MP5, MP5K Front Sight Tower Assembly
HKP HK Parts
$54.95HKP MP5, MP5K Front Sight Tower Assembly New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the complete set...HKP-17792$54.95