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
Picatinny Sight Mount - RMR, Holosun
HKP HK Parts
Now: $77.95Was: $97.95HKP HK MP5/K RMR / Holosun Picatinny Sight Mount The HKP HK MP5/K RMR / Holosun Picatinny sight mount offers a secure, low-profile platform for RMR and Holosun optics. Compatible with any firearm featuring a Picatinny rail. It ensures solid mounting,...HKP-22068Now: $77.95Was: $97.95 -
Out Of Stock
HK VP9 Slide Release Lever - Short - Right
H&K Heckler & Koch
$59.95H&K VP9 Slide Release Lever - Short - Right Short version of the right side slide release for VP series pistols. Can be combined with 260431, 50254706, 50239395 Compatible With: VP9 VP9L VP9 Match VP9 Tactical VP9SK VP9K VP9...HKP-22006$59.95 -
On Sale
HK MP7 Dual Magazine Clamp
HKP HK Parts
Now: $39.96Was: $49.95HKP HK MP7 Dual Magazine Clamp Our MP7 dual mag clamp was designed for quick mag swaps at the range or in the real world. The clamp works with any capacity MP7 magazine. Compatible With: HK MP7HKP-21597-MNow: $39.96Was: $49.95 -
On Sale
HK MP5K Folding Stock With Direct Fit Adapter
MI Midwest Industries
Now: $369.95Was: $419.95HK MP5K Folding Stock With Direct Fit Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style of...HKP-21514-MNow: $369.95Was: $419.95 -
On Sale
B&T Unigrip QD with Bipod
B&T Brugger & Thomet
$178.95 - $198.95B&T Unigrip QD with Bipod This B&T foregrip features a retractable bipod for superior weapon stability in both the standing and prone positions. Specifications: Condition: Factory new Material: Polymer/alloy Heat deflection...HKP-21387-M$178.95 - $198.95 -
HK VP9, P30 Magazine - 22 Round - Red - 9mm
HKP HK Parts / Heckler & Koch
$79.95HK PARTS Complete 22 Round Magazine with Red Extension - 9mm HK VP9, HK P30 HKPARTS +5 magazine extension coupled with a 17-round factory German magazine body adds five additional rounds total for a fully assembled 22-round HK VP9/P30...HKP-21195$79.95 -
On Sale
HK USC , UMP Top Rail
Other
Now: $99.95Was: $149.95Top Rail - HK USC / UMP TommyBuilt anodized aluminum high rise top rail. Includes mounting hardware. Compatible With: HK UMP HK USC TMP UMP cloneHKP-20744Now: $99.95Was: $149.95 -
On Sale
HK MP5K, SP89 Flat Receiver - 9mm
HKP HK Parts
Now: $159.95Was: $199.95MP5K, SP89 Receiver Flat - 9mm New MP5K receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier...HKP-20733Now: $159.95Was: $199.95 -
On Sale
HKP Hat - Snapback - Baseball - OSFM - Black and Gray
HKP HK Parts
Now: $14.95Was: $17.95HKP Baseball Trucker Snapback Cap - OSFM - Black & Gray Get your hands on some of our premium hats! Features: Official HKP merchandise Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panelHKP-20713Now: $14.95Was: $17.95 -
On Sale
HK VP40 Holster - Appendix IWB
Odin Holsters
Now: $37.46Was: $79.95Odin Hoslters HK VP40 Appendix IWB Holster This is an inside the waistband holster. Each holster is made by hand and is made for use with the HK VP40. Custom molded using a vacuum former for perfect fit and adjustable retention. Great for long days at...HKP-19656-MNow: $37.46Was: $79.95 -
On Sale
HK UMP, USC, G36 Handstop - Complete
HKP HK Parts
Now: $39.95Was: $49.95Hand Stop Complete - USA - UMP, USC & G36 Compatible With: USC UMP G36K G36CHKP-19236Now: $39.95Was: $49.95 -
On Sale
HK416, MR556 Flash Hider - G28 Style - Threaded 1/2x28
MFI
Now: $67.95Was: $79.95MFI 5.56/.223 G28 Style Flash Hider - Threaded 1/2x28 The G28 2nd Gen flash hider features the latest style and is threaded 1/2x28. Constructed from ordnance-grade steel, it is finished with a semi-matte, mil-spec black oxide coating for enhanced...HKP-17941Now: $67.95Was: $79.95