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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HK90 Series Front Sight Sling Loop - Used
H&K Heckler & Koch
$24.95HK German sling loop, eyebolt or triple frame retainer pin for front sight tower - Used This HK OEM item is used and pulled from demilled HK firearms. This is a must have item for all of your...HKP-17058$24.95 -
HK P7 Series Recoil Spring
H&K Heckler & Koch
$19.95Factory German HK P7 Recoil Spring This is a hard-to-find replacement part for the P7 series. This is a new HK German replacement or spare recoil spring. Compatible With:HKP-01077$19.95 -
On Sale
HK MP5, SP5K - Folding Stock Section Only
B&T Brugger & Thomet
Now: $118.96Was: $139.95B&T MP5K & MP5 - Folding Stock Section Only Ideal for those moving from the SB Tactical SBT5 or SBT5K side folding brace to NFA/SBR status as these braces already include the B&T side-folding stock...HKP-18246Now: $118.96Was: $139.95 -
HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the...HKP-01743$19.95 -
HK MP5, SP5 Telescopic Brace
B&T Brugger & Thomet
$650.00B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification...HKP-19504$650.00 -
HK33, HK53, HK93, HK91, G3 Complete Buttstock Buffer Assembly
H&K Heckler & Koch
$24.95HK33, HK53, HK93, HK91, G3 Complete Stock Buffer Assembly - All Mounting Hardware Each unit comes with all of the mounting hardware for installing the G3 buffer to your backplate assembly. Also fits...HKP-00362$24.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93, HK91, G3 Locking Roller for Bolt Head - 8.04mm
H&K Heckler & Koch
$29.95H&K +4 Roller For Bolt Head 8.04mm - Over-Sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKHKP-00508$29.95 -
Out Of Stock
HK VP9, VP40 Recoil Spring - Complete
H&K Heckler & Koch
$89.95H&K HK VP9, HK VP40 Complete Recoil Spring Assembly Newer style recoil spring offering that is now standard in all VP9 & VP40 models. This model has a slightly stiffer spring rate than the earlier...HKP-17613$89.95 -
On Sale
HK VP9, P30, HK45 Optic Plate - DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Mount
Evolution Gun Works
Now: $42.46Was: $49.95Evolution Gun Works HK VP9/P30/HK45/HK45C Leupold DeltaPoint Pro& Eotech EFLX Sight Mount Mounting Hardware is Included Features: Material:&HKP-20045Now: $42.46Was: $49.95 -
On Sale
HK G36, G36C, G36K 30 Round Magazine
HKP HK Parts
Now: $31.17Was: $38.95HK G36 30 Round Magazine HK Parts 30-round magazine designed to fit all G36, G36K, and G36C variants, and SL8's with the G36 magwell conversion. These magazines are top-quality and proudly made in...HKP-22525-MNow: $31.17Was: $38.95 -
Out Of Stock
HK Mark 23, SOCOM Bench Mat
HKP HK Parts
$13.95HKP HK Mark 23, SOCOM Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK Mark 23 firearm while using our high quality neoprene rubber backed and cloth topped gun...HKP-17278$13.95 -
HK VP9, VP9SK Right Side Charging Support
H&K Heckler & Koch
$5.95H&K HKVP9/VP9SK Right Side Charging SupportHKP-16826$5.95