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 MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included
SB Tactical
Now: $235.95Was: $294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5...HKP-19928Now: $235.95Was: $294.95 -
Out Of StockOn Sale
Swiss Military Single Point Sling - OD Green - Used
Other
Now: $30.95Was: $34.95Swiss Military Single Point Sling in OD Green - USEDHKP-19794Now: $30.95Was: $34.95 -
On Sale
HK MP5 Parts Kit - 9mm
Now: $1,449.99Was: $1,929.95HK German MP5 made with Swiss Marked & Proofed HK MP5 Parts Kit Includes: German demilled HK front sight tower assembly and sling loop German HK cocking tube assembly complete German HK trunnion with magwell section attached to the demilled...HKP-19477Now: $1,449.99Was: $1,929.95 -
On Sale
HK VP9 Holster - Infidel Ultra Max - RH
Comp-Tac
Now: $86.95Was: $96.95HK VP9 Infidel Ultra Max Holster - Right Hand The Infidel Ultra Max Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster is a perfect easy on...HKP-17488Now: $86.95Was: $96.95 -
Out Of Stock
HK VP9, VP40 Backstrap - Medium - OD Green
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - OD Green New HK German manufactured Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18838$29.95 -
HK Mark 23 Recoil Assembly Compression Spring
H&K Heckler & Koch
$19.95Mark 23 Recoil Assembly Compression Spring Brand new HK German recoil spring for the HK Mark 23 or SOCOM .45 Pistol. A high wear item that needs to be changed & replaced often as this is a consumable part.HKP-16644$19.95 -
HK P30, P30L Grip Shell - Right - Small
H&K Heckler & Koch
$25.95HK P30 & P30L Right Grip Shell - Small - BlackHKP-01573$25.95 -
On Sale
MTAC Holster - RH
Comp-Tac
Now: $80.95Was: $89.95Holsters - MTAC - RH - P30, P30L, HK45, HK45C, P30SK The MTAC is an inside the waistband (IWB) Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in...HKP-17520Now: $80.95Was: $89.95 -
On Sale
HK VP9, P30, HK45 Sights - SlantPro Tactical
Heinie
Now: $179.95Was: $199.95Heinie HK VP/P30/45 Sights Slant Pro Tactical Compatible With: HK VP9, VP9SK, VP9 Tactical, VP40, VP40 Tactical (Excluding VP9 Optics Ready) HK 45, 45C (Tactical models as well) HK P30, P30L, P30S, P30SKHKP-02125Now: $179.95Was: $199.95 -
On Sale
Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH
Smith Enterprises
Now: $67.95Was: $79.95Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH Each flash hider is threaded 16x1 LH twist. Made of 4140 ordnance grade steel, heat treated, and finished in the Melonite finish to add the best corrosion and abrasion resistance...HKP-02323Now: $67.95Was: $79.95 -
On Sale
HK45, UMP Flash Hider - 4 Prong - Threaded 16x1 - Left Hand
HKP HK Parts
Now: $59.95Was: $74.95HK Parts 4 Prong Flash Hider .45 ACP Threaded 16x1 LH Designed for all HK German .45 ACP threaded barrels, including full size and compact models. Made from heat treated ordnance grade steel with a melonite finish, it offers superior corrosion and...HKP-01017Now: $59.95Was: $74.95 -
HK416, MR556, MR762 Spring Lock Bolt
H&K Heckler & Koch
$9.99H&K HK MR556/MR762/416 Spring Lock Bolt Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16848$9.99