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, MR556 Firing Pin Catch - Titanium
HKP HK Parts
Now: $39.95Was: $49.95HKP HK Parts HK416 and HK MR556 Firing Pin - Titanium Made in the US from grade 6 Titanium. Get the lightest, strongest firing pin available for your HK firearm. Compatible With: HK416, MR556 HK M27HKP-17767Now: $39.95Was: $49.95 -
HK416, MR556, HK417, MR762 Eyelet Sling Adapter - RAL8000
H&K Heckler & Koch
$165.99Heckler and Koch HK416, MR556, HK417, MR762 Eyelet Sling Adapter - RAL 8K New German HK Factory Eyelet Sling Adapter for Carrying Slings. Compatible With: HK416, MR556 HK417, MR762 HK G28HKP-18855$165.99 -
HK G36 Cocking Handle Bushing
H&K Heckler & Koch
$9.95HK German G36 Cocking Handle BushingHKP-01869$9.95 -
HK USC Magazine Release Axle
H&K Heckler & Koch
$18.95Heckler and Koch .45 ACP Magazine Release Axle for HK USC Replacement magazine release axle for HK USC .45 ACP platforms. This component is commonly replaced due to wear or breakage and may also be required when configuring compliant magazine release...HKP-02584$18.95 -
Out Of Stock
HK23E Ammunition Belt Box - 5.56 / .223
H&K Heckler & Koch
$0.00HK23E & MM23E Belt Box - German HK Brand new German HK23E, MM23E made feed box. The German units have long since been out of production so getting these new old stock German HK feed boxes is a windfall and a rare opportunity. Compatible With: HK 23E...HKP-18012$0.00 -
HK91, G3 Magazine Unloader
H&K Heckler & Koch
$49.95HK Factory German Unloader For HK 91, G3, And PTR Magazines Brand new HK German manufactured magazine loader for the alloy or steel mags. Made from all steel construction. Compatible With: HK 91 magazines HK G3 magazines PTR, CETME HK PSG-1 magazines HK...HKP-01508$49.95 -
On Sale
HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled
PTR
Now: $269.95Was: $299.95US-Made F/A G3, 91, and PTR-91 Bolt Carrier - Full Auto Carrier - Tungsten Filled PTR uses the exact Heckler & Koch specs and the same steel to manufacture their carriers. PTR uses HK factory blueprints for manufacturing & quality control. This...HKP-01777Now: $269.95Was: $299.95 -
Out Of Stock
HK33, HK53, HK93 Magazine Catch - Latest Design
H&K Heckler & Koch
$49.95Heckler and Koch German Factory Magazine Catch for HK33, HK53, HK93 New HK German HK33, HK53, and HK93 mag catch for magazine release. Compatible With: HK33, HK53, HK93 HK33K Clone or other custom buildsHKP-01059$49.95 -
HK93 Trigger Pack, Complete - SEF Semi-Auto
H&K Heckler & Koch
$349.95HK German HK93 SEF Semi Trigger Pack complete We have one of the best HK gunsmiths in the country that can take hand-picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and jigs available...HKP-00201$349.95 -
On Sale
HK MP5K, SP89 Handguard - Low-Profile
PTR
$49.95 - $52.95PTR HK MP5K, SP89 9mm Tactical Low-Profile Handguard The modular tactical forearm from PTR accommodates 2" rails on either site or bottom for mounting accessories. Made from aircraft-grade aluminum and steel components. The handguard also boasts...HKP-14539-M$49.95 - $52.95 -
HK MP5K, SP89 Trigger Group, Complete - FBI
H&K Heckler & Koch
$849.95HK Heckler and Koch FBI Trigger Group Complete for HK MP5K and HK SP89 New HK German. This is a great upgrade and investment for your HK SP89 or HK MP5K clone. This trigger group is clipped and pinned and ready to install on your HK, with all the latest...HKP-00401$849.95 -
On Sale
HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - 9mm
HKP HK Parts
Now: $91.95Was: $114.95HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR...HKP-17138Now: $91.95Was: $114.95