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
HK91, G3 Slimline Handguard
PTR
$39.95New Slim Line HK91, G3, PTR Forearm- US Each forearm is a new US made offering made on the original HK tooling acquired by PTR91. Black in color, no internal heat shield. This hand guard also counts...HKP-16251$39.95 -
HK91, G3 A3 Retractable Buttstock - Excellent
H&K Heckler & Koch
$999.95HK G3 & HK 91 A3 Retractable Stock - German These are the final units available no longer produced or offered by HK Germany. Each stock includes two large push pins as a bonus. A beautiful upgrade...HKP-00828$999.95 -
On Sale
HK33, HK93 Barrel - 300 BLK - 16.1" - Threaded 5/8x24
RCM
Now: $149.78Was: $234.95NCM HK33/93 .300 BLK 16.125 Inch Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8x24 thread pitch. Although,...HKP-17392Now: $149.78Was: $234.95 -
HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm
H&K Heckler & Koch
$339.95H&K Heckler & Koch New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured...HKP-00452$339.95 -
On Sale
HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm, .357 SIG
RCM
Now: $142.16Was: $157.95MP5 40, 10mm - Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and are Tungsten filled and heat treated providing the finest American...HKP-01192Now: $142.16Was: $157.95 -
HK MP5 Trigger Group - Navy 3 Position - .40 S&W, 10mm
H&K Heckler & Koch
$2,499.95HK German MP5 40/10/ 3 Position Navy (0,1,F) Trigger Group This Trigger Group Is A Factory Push Pin Safe, Semi, Full Navy Ambidextrous 3 Position Trigger Group For Registered Push Pin MP5's. This...HKP-00448$2,499.95 -
Out Of Stock
HK MP5 Magazine Floorplate - .40 S&W, 10mm
H&K Heckler & Koch
$14.95H&K Heckler and Koch New HK German Magazine Floor Plate HK MP5 40,10HKP-01269$14.95 -
HK MP5F Parts Kit - A2 Buttstock and Navy Trigger 3 Pos
H&K Heckler & Koch
$2,695.95HK MP5F Parts Kit - 3 Pos Navy Trigger - A2 Stock This kit is built from original German components and includes the upgraded full-auto MP5F bolt group assembly and cold hammer forged 3-lug barrel...HKP-01538$2,695.95 -
HK MP5, MP5K 9mm Ambidextrous 0,1 Trigger Pack
HKP HK Parts
$479.95HKP MP5 & MP5K 9mm Ambidextrous 0,1 TriggerHKP-17230$479.95 -
Out Of Stock
HK MP5, HK94 Trunnion - 9mm - USA
HKP HK Parts
$54.95HKP MP5, 94 Trunnion 9mm - USA US made to exact factory HK specifications for the HK MP5, 94 type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are...HKP-17934$54.95 -
HK MP5 "F" Ambidextrous Sling Loop Weldment
H&K Heckler & Koch
$19.95HK German Factory MP5 F Ambidextrous Sling Loop This is the factory HK part that is on all MP5F models. A great upgrade for that custom build or for those who want to have the ability to have an...HKP-00100$19.95 -
HK MP5, HK94, G3, HK91, HK3, HK53, HK93 Trigger Housing - Full Auto SEF
H&K Heckler & Koch
$299.95H&K Full Auto Trigger Box - SEF - MP5/94/G3/91/93/53/33 This genuine HK trigger box can house either the full auto SEF trigger pack internals or be converted to the semi-auto configuration. Not for...HKP-02178$299.95