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 Complete Semi Bolt Group
HKP HK Parts
$339.95US Made HK 91/G3 Semi-Auto Bolt Group Complete - New Each bolt group is built using HK factory prints and specs here in the US. As a bonus, each bolt group counts as two US parts for US 922r...HKP-01473$339.95 -
Out Of Stock
HK MSG90 T-Rail Set - Factory Correct
Michaels Machines
$389.95MSG-90 Style Receiver Reinforcement Left & Right Side Rail Set Each set is new in white and an exact reproduction of the factory German HK MSG-90 side receiver rails. These rails have the...HKP-00567$389.95 -
HK MP5 Locking Roller +4 - .40 S&W, 10mm
H&K Heckler & Koch
$20.95H&K Heckler and Koch New +4 roller for HK MP5 40/10 Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.HKP-00335$20.95 -
HK MP5K, SP89 Trigger Housing - SEF - Contoured - Push Pin - 9mm
H&K Heckler & Koch
$424.95H&K MP5K/SP89 9mm SEF Contoured Trigger Housing - Push Pin Upgrade your HK MP5K or SP89 with this SEF contoured trigger housing, featuring ergonomic finger grooves for enhanced handling. This factory...HKP-16551$424.95 -
HK MP5, HK94 Recoil Guide Rod
H&K Heckler & Koch
$14.95New HK German MP5, 94 Recoil Guide Rod BarHKP-01054$14.95 -
On Sale
HK MP5SD Cocking Tube - 9mm - Left Hand
HKP HK Parts
Now: $63.72Was: $99.95MP5SD Cocking Tube - US Made - For Left-Handed Shooters HK German MP5SD spec cocking tube for use on MP5SD style builds or custom SD builds. Each unit is made from the original factory HK prints &...HKP-18918Now: $63.72Was: $99.95 -
HK MP5, MP5K Optic Mount, Trijicon 1X24 Reflex
B&T Brugger & Thomet
$127.95B&T Brugger and Thomet Mount for Trijicon 1X24 Reflex for your HK MP5 and HK MP5K Low profile mount for HK MP5 with Trijicon RX01m 1x24 Specifications:HKP-16863$127.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93 Grip Housing - 4 Position Pictogram 0,1,3,F - Push Pin - 9mm, 5.56 / .223
H&K Heckler & Koch
$349.95H&K MP5 & 93/53/33 (9mm, 5.56/.223) 4 Position (0,1,3,F Pictogram) Grip Housing - Push Pin This HK German grip housing is designed for push pin type receivers. This housing is not clipped &...HKP-02240$349.95 -
On Sale
HK MP5, HK94, HK34 Barrel - 9mm - 16.175" - Threaded 1/2x28
RCM
Now: $187.46Was: $249.95RCM MP5, HK34, HK94 Barrel - 9mm - 16.175"- Threaded 1/2x28 Each barrel is meticulously crafted from premium cold hammer forged (CHF) 41V45 steel, expertly profiled and chambered with a 16-flute...HKP-17761Now: $187.46Was: $249.95 -
HK CC9 Magazine Spring - 12 Round
H&K Heckler & Koch
$9.95Heckler and Koch 12-Round Magazine Spring for HK CC9 Genuine 12-round HK CC9 steel magazine spring. Compatible With:HKP-22509$9.95 -
Out Of Stock
Surefire M900V LED Weapon Light with Vertical Grip - Used
Surefire
$199.95Picatinny Mounted VFG Weapon Light - White and IR Output A rugged, dual-output vertical foregrip light engineered for professional applications. This Vampire-series unit delivers powerful white-light...HKP-99347$199.95 -
On Sale
WOOX M-LOK Rail Covers - Teardrop - GEN2
WOOX
$53.06 - $71.06WOOX GEN2 Teardrop M-LOK Rail Covers The teardrop M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection, while bringing that signature...HKP-22462-M$53.06 - $71.06