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
HK MP5, SP5K Optic Mount with Aimpoint ACRO P-2
HKP HK Parts / Aimpoint
$689.95HK MP5 Aimpoint ACRO P-2 with HKP Optic Mount The HKP optic mount securely positions the ACRO P-2 sight for fast, intuitive target acquisition, while preserving a clear view of the factory sights.HKP-21899-M$689.95 -
On Sale
HK VP9 R3d 2.0 Night Sights
XS Sights
$125.96 - $139.95XS Sight Systems HK VP9OR R3d 2.0 Night Sights - Suppressor Height R3D 2.0 sights are the premium solution for a traditional notch and post-sighting system. The set is engineered to provide a...HKP-21203-M$125.96 - $139.95 -
On Sale
HK416, MR556, G36, SL8 Gas Piston
USA
Now: $71.96Was: $79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the...HKP-14540Now: $71.96Was: $79.95 -
On Sale
HK P7 Bench Mat
HKP HK Parts
Now: $9.77Was: $13.95HKP HK P7 Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK P7 bench mat firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat...HKP-17282Now: $9.77Was: $13.95 -
HK USP Compact Right to Left Handed Control Lever V2, V6, V10
H&K Heckler & Koch
$39.95For Variant 2, 6, And 10 - Right Side Selector Lever For Left Handed Shooter The lever you need to swap right to left-handedHKP-01434$39.95 -
HK416, MR556 Ejector Retaining Pin
H&K Heckler & Koch
$5.95H&K Heckler and Koch's Ejector Retaining Pin for your HK416 and HK MR556 This factory HK German part is the pin that holds the ejector in place on the bolt head. Great to have as a spare part...HKP-00053$5.95 -
HK MP5 Magazine Spring - .40 S&W, 10mm - 30 Round
H&K Heckler & Koch
$9.95H&K Heckler and Koch 30 Round Magazine Spring for HK MP5 40,10 New HK German MP5 40/10 magazine spring for the 30 round magazine. Hard to find and a must have repair and replacement item.HKP-01056$9.95 -
HK MP5K, SP89, SP5K Cocking Tube Support - 9mm
HKP HK Parts
$49.95MP5K, SP89 & SP5K Cocking Tube Support Complete - USA The cocking tube support is the same for the HK SP-89, MP5K & SP5K. Each support is complete with detent and spring installed. These can also be...HKP-18103$49.95 -
On Sale
Ergo M-LOK Handstop
Ergo
Now: $43.97Was: $54.95M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stopHKP-17852Now: $43.97Was: $54.95 -
HK MP5 Trigger Housing - Navy 3 Position 0,1,F Pictogram - Push Pin
H&K Heckler & Koch
$559.95Heckler and Koch 3 Position 0,1,F Pictogram Navy Housing - Push Pin for HK MP5 This H&K grip housing is designed for MP5 models with push pin type receivers. Featuring the iconic Navy housing and 3...HKP-16065$559.95 -
HK G3 Apparel - Hats, Patches, and Shirts
HKP HK Parts
$0.00HKP HK G3 Apparel and Patch Collection Represent your platform with the HK Parts G3 Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean,...HKP-22458-M$0.00 -
HK VP9 A1, P30 Magazine - 10 Round
H&K Heckler & Koch
$59.95Heckler and Koch VP9 A1 10-Round Steel Magazine - 9mm Factory steel 10-round magazine for HK VP9 pistols. The A1 magazine is just like the original VP9 magazine but features grooves in the base plate...HKP-22302$59.95