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
HK MP5F Parts Kit 3 Position Navy A3 - RARE
H&K Heckler & Koch
Now: $3,234.95Was: $3,599.95H&K MP5F Parts Kit 3 Position Navy A3 - RARE HK German MP5F A3 9mm Parts Kit Complete - USED 100% GERMAN HK MP5F correct parts the real deal and the most sought after parts kit available (Minus Receiver Of Course). Includes: 100% German Parts HK...HKP-19559Now: $3,234.95Was: $3,599.95 -
HK416 Handguard - 9" Keymod Rail - .22LR - RAL8000
VFC / Umarex
$124.95VFC CALIBUR KEYMOD 9" RAIL - TAN The VFC Handguard is an ultra-lightweight Key-Mod rail for the HK416 .22 model. Specifications: Lightweight and modular 6 mm rail Tan 9 inchHKP-19304$124.95 -
B&T TP9, MP9 Tactical Holster - RH
B&T Brugger & Thomet
$325.00B&T TP9/MP9 Tactical RH Holster Swiss B&T manufactured Tactical Holster For the TP9 & MP9 - Right Handed Model Specifications: Swiss made Right hand drop leg holster For MP9 and TP9 Fully adjustableHKP-17294$325.00 -
HK VP9 Holster - Warrior - RH
Comp-Tac
$79.95HK VP9 Warrior Holster - Right Hand The Warrior Holster design offers a stealth footprint, outside the waistband carry that is perfect for OWB concealment. Easily accessible, designed for a smooth, fast draw the Warrior's close fitting footprint can...HKP-17457$79.95 -
Out Of Stock
HK417, MR762, G28 Gas Block
H&K Heckler & Koch
$199.95H&K MR762/417/G28 Gas Block New German HK manufacture for the HK MR762 & HK417, G28 firearm. This unit comes without the sling loops installed. Compatible With: HK MR762 HK 417 HK G28HKP-17259$199.95 -
Out Of Stock
HK MP7A1, MP7A2 Magazine Loader
H&K Heckler & Koch
$84.95Heckler and Koch HK MP7A1, MP7A2 Magazine Loader New factory HK German magazine loader for the MP7. Correct OEM tool for loading MP7 magazines. Compatible With: MP7A1 MP7A2HKP-18848$84.95 -
HK USP Expert Bobbed Hammer
H&K Heckler & Koch
$29.95USP Expert Bobbed Hammer Old Style The USP Expert Hammer works with HK USP Expert variants. Compatible With: HK USP Expert 9mm HK USP Expert 40 HK USP Expert 45HKP-18198$29.95 -
HK45C Tactical Backstrap - Small - Black
H&K Heckler & Koch
$9.95H&K 45C/45C Tactical Backstrap - Small - Black This backstrap is a direct swap out of other-sized back straps. Compatible With: All HK45C pistolsHKP-01618$9.95 -
HK P7M8, P7M10, P7M13 Rear Sight Screw
H&K Heckler & Koch
$9.95Rear Sight Screw Compatible With: P7M8 P7M10 P7M13HKP-01397$9.95 -
Out Of Stock
HK P7M8, P7M10, P7M13 Front Night Sight - Tru-Dot
Meprolight
$44.95Meprolight HK P7M8/P7M10/P7M13 Tru-Dot Front Night Sight Features: Unequaled low light performance Brightest night sights available today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12 years usable illumination warranty to...HKP-16589$44.95 -
$15.99 -
HK Mark 23 Rear Sight - -2, 5.9mm
H&K Heckler & Koch
$55.95HK Mark 23 5.9mm -2 Rear Sight Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12)HKP-02257$55.95