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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HK33 Pistol Parts Kit - Receiver Flat and Weldment Set - RCM Barrel
H&K Heckler & Koch
$1,834.95HK 33 pistol Build Kit Complete German & US Parts- Limited Supply! Heckler & Koch German-manufactured parts kit issued to the Malaysian Army. Demilled and prepared per BATF specifications. These are...HKP-19731$1,834.95 -
HK VP9, VP9SK, VP40 Catch Cylindrical Pin
H&K Heckler & Koch
$9.95Cylindrical Pin For Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP4HKP-16802$9.95 -
Out Of Stock
HK 45 HD Night Sight Set - Green
Trijicon
$105.64Trijicon HK 45 HD Night Sight Set - Green The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set front sight features a...HKP-14555$105.64 -
HK45, HK45C Detent Plate for Variant 1, 2
H&K Heckler & Koch
$14.50Detent Plate For HK45, HK45C Variant 1, 2 Compatible With: HK45 HK45 CompactHKP-01807$14.50 -
HK P30SK International Holster
Comp-Tac
$64.95Comp-Tac HK P30SK International Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 these...HKP-17522-M$64.95 -
On Sale
HK VP9, P30, HK45 Sights - SlantPro Tactical
Heinie
Now: $127.47Was: $199.95Heinie HK VP/P30/45 Sights Slant Pro Tactical Compatible With: HK VP9, VP9SK, VP9 Tactical, VP40, VP40 Tactical (Excluding VP9 Optics Ready)HKP-02125Now: $127.47Was: $199.95 -
HK P Series Catch
H&K Heckler & Koch
$23.95Heckler and Koch HK P Series Catch Compatible With: HK P30 HK P30L HK P30SKHKP-01796$23.95 -
Out Of Stock
HK416, MR556 Handguard - Quad Rail with Flip Up Sight
H&K Heckler & Koch
$599.95HK 416A5 9" Quad Rail With Flip Up Front Sight New latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the...HKP-17710$599.95 -
HK G36 Hammer Spring - Left Side
H&K Heckler & Koch
$9.99HK G36 Left Side Lower Hammer SpringHKP-01856$9.99 -
HK G36K Parts Kit - Buttstock Hinge Section
H&K Heckler & Koch
$3,395.95G36K Parts Kit Complete With Stock Hinge Section Factory German HK G36K parts kit with the rare 3" + stock hinge section. NOT compatible with semi-auto receivers like the S5 Tactical SA receiver...HKP-00269$3,395.95 -
Out Of Stock
HK G36, SL8 Recoil Buffer - Factory
H&K Heckler & Koch
$20.95HK G36 Or SL8 Factory Recoil Buffer A critical spare part as these buffers deteriorate with usage and time.HKP-00290$20.95 -
HK German Bayonet Adapter With Hardware
H&K Heckler & Koch
$159.95H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Hardware made under a Turkish contract. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet...HKP-00021$159.95