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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HK Armorers Manual for Burst Trigger Groups
H&K Heckler & Koch
$19.95H&K Burst Trigger Group Armorers Manual This manual will help with the disassembly, repair, and maintenance of all HK burst trigger groups.HKP-00102$19.95 -
HK MP5, HK33, HK53, HK93 Catch with Roller for SEF and Navy Trigger Packs
H&K Heckler & Koch
$8.95H&K Friction Sear For SEF, Navy Trigger Packs New HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.HKP-16198$8.95 -
Out Of Stock
HK90 Series Compression Spring for Shifter Rod on Burst Trigger Packs
H&K Heckler & Koch
$10.95H&K Burst Trigger Pack Compression Rod Spring Burst pack compression spring for compression rod found in all HK Burst Trigger Packs. This part, along with the compression rod, is the number one most...HKP-16199$10.95 -
On Sale
Century Arms AP5 3-Point Sling - Complete
MKE
Now: $28.87Was: $34.99MKE AP5 3 Point Sling - Complete This is a Factory OEM Sling included with the AP5. Can be utilized on any HK 90 series of firearms. Compatible With: Century Arms AP5 <HKP-21187Now: $28.87Was: $34.99 -
On Sale
HK91, G3 Complete Tactical Folding Stock
Choate
Now: $148.46Was: $179.95HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to...HKP-01951Now: $148.46Was: $179.95 -
On Sale
HK45 Straight Trigger
Grayguns
Now: $80.71Was: $94.95Grayguns HK45 Straight Trigger The Grayguns HK45 straight trigger is a first-of-its-kind in the market. The trigger reduces over-travel while featuring a 90 degree optimal trigger break. Crafted in...HKP-21496Now: $80.71Was: $94.95 -
On Sale
Sig Sauer Compensator - P365-XMACRO
HKP HK Parts
Now: $74.96Was: $179.95HKP SIG P365-XMACRO Compensator Our SIG P365-XMACRO compensator reduces recoil and muzzle flip. Each unit is 100% US made and finished in durable black cerakote. Our XMACRO compensator features a...HKP-21259Now: $74.96Was: $179.95 -
HK German Leather Sling - Used-Very Good
H&K Heckler & Koch
$59.95Original Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and...HKP-20345$59.95 -
HK416, HK417, MR556, MR762 German E1 Convex Butt Pad
H&K Heckler & Koch
$69.95HK MR556, HK416 & MR762, HK417 German E1 Convex Butt Pad The HK Convex buttpad can be used to swap out on the factory E2 or concave-style buttpads for those who desire this option. This way, you can...HKP-01915$69.95 -
On Sale
HK USP Flat Tracker Takedown Lever - Volker Precision
Volker Precision
Now: $93.19Was: $112.95HK USP Full Size Flat Tracker - Volker Precision Volker Precision flat tracker for full size USP models in all calibers. Available exclusively at HK Parts Compatible With:HKP-22447Now: $93.19Was: $112.95 -
Out Of Stock
HK VP9 Match MOD 1 Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator: H&K VP9 Match The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil,...HKP-21799$179.95 -
HK VP9 Magwell - EDC - Steel
HKP HK Parts
$79.95HKP HK VP9 Steel EDC Tactical Magwell Our newest and greatest EDC magwell was redesigned for a much faster and reliable mag reloads. With a much greater funneled area it guides you to the correct...HKP-21410$79.95