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
Handguard Sling Pin - Small - Ambi
HKP HK Parts
$24.95Ambidextrous Eyebolt Sling Pin - Small The ambi pin allows the user to replace the handgaurd push pin to attach a sling hook or attachment point to the sling pin loop area. This pin provides a sling attachment point with for either the left or right side...HKP-02684$24.95 -
Out Of Stock
HK Navy Left Side Selector Lever-3 Position
H&K Heckler & Koch
$139.95HK Ambidextrous Left Side 3 Position Navy Selector Lever New German HK Lever For All 3 Position Navy Ambidextrous Trigger Packs Or Trigger Groups. Will Not Fit SEF Style Trigger Packs. Brand new factory German HK. Safe, Semi, Full. (0,1,F) 3 Position...HKP-00122$139.95 -
Out Of Stock
HK MP5 Bolt Carrier - Full Auto - USED
H&K Heckler & Koch
$0.00HK MP5 Full Auto Bolt Carrier - USED Genuine German-made MP5 used bolt carrier. Compatible With: HK MP5HKP-00669$0.00 -
Out Of Stock
HK MP5 Front Sight, Tower, and Sling Loop
H&K Heckler & Koch
$0.00H&K MP5 Front Sight Tower with Front Sight and Sling Loop MP5 Front sight tower with front sight and sling loop used pull off from HK German MP5's. Compatible With: MP5 MAC-5 clones may require custom fitment. Modified components are not eligible...HKP-00648$0.00 -
Out Of Stock
HK MP5 Firing Pin and Spring Set - Used
H&K Heckler & Koch
$0.00H&K MP5 Firing Pin and Spring Set - Used Used German HK MP5 Firing pin with new F/P Spring. Sold as a set, pull off's from trade in German MP5's.HKP-00666$0.00 -
Out Of Stock
HK MP5 40/10 4 Position (0,1,2,F) Ambi Burst Trigger Group
H&K Heckler & Koch
$0.00HKP MP5 40/10 4 Position (0,1,2,F) Ambi Burst Trigger Group MP5 40/10 4 Position (0,1,2,F) Ambidextrous burst trigger groupHKP-00677$0.00 -
Out Of Stock
HK33, HK53, HK93 Paddle Magazine Release Set Complete-Used
H&K Heckler & Koch
$0.00HK 93, HK33, & HK 53 Paddle magazine release set complete all pieces-UsedHKP-00707$0.00 -
Out Of Stock
HK33, HK93 Recoil Rod Assembly Complete - Used
H&K Heckler & Koch
$0.00H&K 33, 93 Recoil Rod Assembly Complete - Used Genuine H&K German 33,93 used complete recoil rod assembly. Compatible With: HK33 HK93HKP-00711$0.00 -
Out Of Stock
HK33, HK93 Bolt Carrier Group - Full Auto - Complete
H&K Heckler & Koch
$0.00Heckler and Koch HK33, HK93 Full Auto Bolt Group Complete Latest German-manufactured full-auto bolt group for HK33 and HK93 platforms. This bolt carrier group includes all factory German components. Includes: Tungsten filled full-auto carrier-...HKP-16729$0.00 -
Out Of Stock
HK MP5 Locking Piece - 100 Degree - Used Surplus
H&K Heckler & Koch
$0.00H&K HK MP5, HK94 100 Degree Locking Piece-Used MP5 100 degree used surplus locking piece. Pulled from early HK German MP5 parts kits.HKP-00668$0.00 -
B&T Polymer Lower for USW-M17 - Coyote Tan
B&T Brugger & Thomet
$355.00B&T Polymer Lower for USW-M17 - Coyote Tan The practical polymer conversion kit transforms a normal P320 (full-size or compact) in less than two minutes into a USW-320 with integrated stock. Just transfer the trigger group, the slide and the magazine...HKP-21743$355.00 -
Out Of Stock
HK SL8-1 Incomplete Backplate - Gray
H&K Heckler & Koch
$0.00HK SL8-1 Backplate Incomplete Original HK German SL-8 back plate incomplete. Compatible With: SL-8 New SL8-6 blackHKP-16373$0.00