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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Out Of Stock
HK P30SK, P2000SK Tactical Barrel - 9mm - 3.89" - Threaded 1/2x28 RH
RCM
$225.00RCM HK P30SK & HK P2000SK 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK P2000SK and P30SK tactical barrel is meticulously crafted from ordnance grade steel, heat treated, and finished with a durable nitride coating. This is the finest...HKP-19306$225.00 -
HK VP9, VP40 Backstrap - Medium - FDE
H&K Heckler & Koch
$25.95H&K VP9, VP40 Backstrap - Medium - FDE New HK German manufacture Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18119$25.95 -
HK MP7 Retractable Buttstock
H&K Heckler & Koch
$199.95H&K HK MP7 Retractable Stock New Rare HK MP7 - 1 Position - Retractable Buttstock Compatible With: All MP7A1 and MP7A2 FirearmsHKP-18552$199.95 -
HK USPC, P2000 Magazine Body - .40 S&W - 10 Round
H&K Heckler & Koch
$24.95H&K 10 Round HK USPC/P2000 .40 S&W Magazine BodyHKP-02499$24.95 -
On Sale
HKP 24 Round HK Mark 23/SOCOM .45 ACP Magazine Extension - Black
HKP HK Parts
Now: $24.95Was: $39.95Mark 23 .45 Cal - 24 Round Magazine Extension Kit The HK Parts manufactured Mark 23 mag extension allows the user to convert existing HK Mark 23 12 round magazine to an enhanced 24 round magazine capacity. Easy to install, each kit comes complete with...HKP-17556Now: $24.95Was: $39.95 -
Out Of Stock
HK45C, VP9, P30 Optic Sight - Day and Night - Tritium Pro - Green
Truglo
$157.95Truglo HK VP/45C/P30 Pro Tritium Fiber-Optic Day/Night Sights - Green TFX Sights are always ready-made from ultra-tough, chemical-resistant materials and providing a bright sight picture both day and night, helping you stay prepared for any scenario. TFX...HKP-17664$157.95 -
On Sale
HK P30SK, P30SK Tactical Compensator- Quick Detach
HKP HK Parts
Now: $99.95Was: $149.95HKP HK P30SK/Tactical Comp Weight™ Quick Detach Compensator Compatible With: HK P30SK (Heckler & Koch P30SK) Standard Length barrel, Tactical Length barrel, Threaded barrel, Non-Threaded barrel Specifications: Weight: 3...HKP-18084Now: $99.95Was: $149.95 -
HK USP Lanyard Loop Insert Pin
H&K Heckler & Koch
$19.95HK USP Lanyard Loop Insert Pin Compatible With: HK USP 9mm HK USP 40 HK USP 45HKP-01930$19.95 -
Out Of Stock
HK416, MR556 14.5" Super Modular Rail System - FDE
Geissele
$549.95Geissele HK416, MR556 14.5" Modular Rail - Desert Dirt Color (DDC) 13.625" overall length Geissele HK 416, MR556 free float rail with HK 416 14.5" barrel and MR 556 16.5" barreled upper. This is a direct replacement item for your HK MR556 and 14.5"...HKP-16462$549.95 -
HK MR556, MR762 Rail Segment - 5 slot
H&K Heckler & Koch
$39.95HK MR556 & MR762 Rail Segment - MRS 5 slot Rail ASM New Factory HK 5 slot rail segment for the MRS style HKey mod rail forearms. ***Not compatible with the Euro spec HKey "Small", this is for the Modular Rail System "Large type" HKey spec, which is...HKP-17510$39.95 -
HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Right Side (0,1)
H&K Heckler & Koch
$9.95Safe, Semi 0,1 Only HK UMP, USC, G36, & SL8 Right Side Safety Control Lever Constructed from durable black polymer, this factory original part from HK is made in Germany and specifically designed for H&K SL8, G36, and USC rifle. The lever...HKP-01874$9.95 -
HK UMP 3 Position Navy Full Lower (0,1,3)
H&K Heckler & Koch
$1,249.95HK UMP 3 Position Navy Lower New German Heckler & Koch UMP 3 position (0, 1, full) Navy lower. Each lower comes complete with all the factory internals. These lowers are ideal for the USC to UMP conversion and to keep as a spare. Each lower is...HKP-00592$1,249.95