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
HK416 Pistol Brace and Stock Adapter - .22LR - Picatinny
HKP HK Parts
Now: $50.37Was: $62.95HKP HK Parts HK 416 .22 Picatinny Pistol Brace and Stock Adapter CNC billet machined in the USA from one piece of aircraft grade aluminum. Each adapter was fitted for optimal use on the HK 416 .22...HKP-19742Now: $50.37Was: $62.95 -
On Sale
HK MP5, MP5K Optic Mount - Extended Claw - Picatinny
UTG PRO
Now: $53.59Was: $64.95UTG HK MP5/MP5K Claw Mount - Extended Picatinny UTG Pro Claw Mount for MP5 and MP5K pattern firearms featuring UTG's patented receiver locking interface. Each U.S. made mount features an...HKP-21606Now: $53.59Was: $64.95 -
HK MP5, HK94 Cocking Tube Support Handle Pin
H&K Heckler & Koch
$1.95HK German MP5, 94 Cocking Tube Support Handle Pin This spring pin holds the cocking handle in place on the cocking tube support. This is also the same part for the front sight roll pin for the triple...HKP-00656$1.95 -
HK33, HK53, HK93, HK91, G3 Buffer Screw Locking Washer - Zinc Plated
H&K Heckler & Koch
$0.25HK G3, 91, PTR & HK93, 33, 53 - Locking Washer For Small Buffer Screws New not surplus latest generation of G3, 91, PTR toothed locking washer. Zinc plated (galvanized) as to not corrode or rust like...HKP-17882$0.25 -
Out Of Stock
HK VP9, P30 Magazine - 17 Round - 9mm
H&K Heckler & Koch
$45.95Heckler and Koch 17 Round HK VP9, HK P30 9mm Complete Magazine New HK German manufacture and factory fresh production. Each factory HK all-steel bodied magazine holds 17 rounds of 9mm ammunition for...HKP-19277$45.95 -
HK33, HK53, HK93, HK91, G3, MP5 Optic Mount - Front Sight Tower - Picatinny
HKP HK Parts
$39.95HKP HK Front Sight Tower Rail Mount for MP5, MP5K, G3, HK91, HK33, HK53, HK93 HK front sight tower Picatinny rail mount that replaces the small forearm push pin and mounts directly to the side of the...HKP-16672-M$39.95 -
HK MP5, HK94, SP5K Magazine Floorplate - 9mm - US
HKP HK Parts
$9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for...HKP-17507$9.95 -
HK VP9SK, P30SK Magazine - 17 Round
H&K Heckler & Koch
$49.95H&K 17 Round HK VP9SK/P30SK 9mm Magazine New factory HK 17 round magazine for the VP9SK & P30SK. HK's magazine is made to their specifications and tolerances using high quality materials thatHKP-20601-M$49.95 -
HK MP5, HK94 Recoil Spring
H&K Heckler & Koch
$12.95HK German MP5, HK94 Recoil Rod Assembly Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible With: HK MP5HKP-01652$12.95 -
Out Of Stock
Tailhook Mod 1C Brace
Gear Head Works
$164.95Gear Head Works Tailhook Mod 1C The Patented Tailhook MOD 1C is 30% lighter and 30% more compact than or standard Mod 1. With a profile similar to the SCW Tailhook it truly is the most compact pistol...HKP-19655$164.95 -
HK MP5SD Sealing Ring - Enhanced
HKP HK Parts
$9.95HKP HK Parts Enhanced Sealing Ring for HK MP5SD The enhanced sealing ring is made from a newer, longer-lasting material as well as having a sHKP-18053$9.95 -
On Sale
HK USP, P2000, HK45C Magazine Release - Enhanced
HKP HK Parts
$34.97 - $49.95HKP HK Parts Enhanced Magazine Release for HK US, HK P2000, and HK45C Upgrade your pistol's performance with our oversized magazine release. Crafted from durable 6061 billet aluminum, this US made...HKP-19287-M$34.97 - $49.95