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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Picatinny Optic Mount - 39mm - Aimpoint ACRO / NANO
B&T Brugger & Thomet
$85.00B&T Aimpoint ACRO / NANO 39mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail. Keep your optic profile compact with this Swiss made...HKP-21761$85.00 -
On Sale
HK416, MR223 Barrel - 5.56 / .223 - 14.5" - Threaded 1/2x28 - A5 Style
HKP HK Parts
Now: $530.06Was: $588.95H&K 416 A5 Converted Barrel - Threaded 1/2x28 These barrels began as standard A3 style but have been precisely machined with an A5-style relief cut to fit HK416 & MR223 A5 uppers. Now, you can have a...HKP-21449Now: $530.06Was: $588.95 -
HK USP Compact Compensator - .45 ACP - Threaded Barrel
HKP HK Parts
$189.95HK USPC .45 Cal Compensator for Threaded Barrel The will add a sleek and tactical look to your USPC .45. With the quick and easy addition of our compensator you will add plenty of benefits. This...HKP-20984$189.95 -
SL Magpul Housing Service
Magpul
$49.95 - $116.96SL Magpul Housing Service Our SL Magpul Housing conversion service can be preformed to convert a MP5 style magpul housing into a MP5K style housing. We can also convert them to be compatible with...HKP-20614-M$49.95 - $116.96 -
On Sale
HK SEF Skeletonized Binary Aluminum Selectors - For Left Hand Shooters
HKP HK Parts
Now: $44.59Was: $69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized SEF skeletonized style selector lever set modeled after the HK style selector lever for the Franklin...HKP-20527Now: $44.59Was: $69.95 -
Out Of Stock
HK P2000, P2000SK Night Sight Set - HK09 - Green Front, Yellow Rear
Trijicon
$139.95Trijicon HK09 Yellow Rear & Green Front night sight set for HK P2000 & P2000SK pistols Trijicon Bright & Tough Night Sights are three-dot iron sights that increase night-fire shooting accuracy five...HKP-08800$139.95 -
HK VP9SK, VP40SK Backstrap - Small - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Small - Gray New HK German manufacture. Compatible With: HK VP9SKHKP-18969$29.95 -
Out Of Stock
HK G36 Single Optic Carrying Handle - Incomplete
$149.95HK G36 Single Optic Carrying Handle - Incomplete Stripped. The perfect for replacement of your well worn housing or broken housing. Just install your optic and you have a like new unit.HKP-16365$149.95 -
HK MP5K LS5 Trigger Group, Complete - Semi, Shelf
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5K Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 Nylon. Bespoke ejector lever CNC cut from 4140...HKP-20466$549.95 -
On Sale
HK MP5, MP5K, SP89, HK94 Trigger Pack - SEF Semi - 9mm - Semi-Auto - Enhanced 5 to 6 lb Trigger Pull
HKP HK Parts
Now: $280.47Was: $439.95HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull These trigger packs start as a F/A pack and gets professionally converted to the BATFE specs so you can rest assured the trigger pack is...HKP-20312Now: $280.47Was: $439.95 -
HK91, G3, PTR Clubfoot Stock - .308 Rifles - Green
Michaels Machines
$299.95US Michaels Machines Clubfoot Stock for HK G3, HK91, PTR-91 and Clones HK clubfoot stock comes fully assembled with both US and German HK parts. Includes:HKP-19667$299.95 -
On Sale
HK VP9, VP40 Accessory Kit
HKP HK Parts
$162.53 - $254.95HKP HK VP9/VP40 Accessory Kit Includes: Comp Weight - HKP-21080-MHKP-18695-M$162.53 - $254.95