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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HK416, MR556, HK417, MR762 Trigger Axle
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/417/416 Trigger Axle Axle for Trigger. Compatible With: HK MR556 HK 416HKP-16623$19.95 -
HK45, HK45 Compact Left Side Safety Lever
H&K Heckler & Koch
$29.95HK 45/45C Left Side Safety Lever This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame. This is the V1 selector with a decocking function...HKP-01770$29.95 -
HK Mark 23 Tactical Barrel - .45 ACP - 6.02" - Threaded .578x28 RH
RCM
$289.95RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded .578x28 RH This HK Mark 23 tactical threaded barrel designed for compatibility with various flash hiders and sound suppressors. Unlike the factory HK...HKP-17444$289.95 -
HK P Series Complete Spurred Hammer
H&K Heckler & Koch
$54.95H&K HK P Series Complete Spurred Hammer New German HK spurred hammer complete. Compatible With: All non LEM pistol below: <HKP-16540$54.95 -
HK USP, USP Compact .45 ACP New Style Extractor
H&K Heckler & Koch
$50.95New Style Extractor New HK German part with red loaded chamber indicator. Compatible with: USP 45, USP 45 TacticalHKP-01478$50.95 -
HK416, MR556, MR762 Fire Control Detent Stop Pin
H&K Heckler & Koch
$20.95H&K HK MR556/MR762/416 Fire Control Detent Stop Pin HK German manufacture. Compatible With: HK MR556 HK416HKP-15272$20.95 -
HK416, MR556 Bolt Carrier Roll Pin
H&K Heckler & Koch
$6.95Heckler and Koch HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With:HKP-16847$6.95 -
On Sale
HK G36, SL8 Extractor
USA
Now: $29.96Was: $67.95G36 & HK SL8 Extractor For Bolt Head Compatible With: All G36 variants SL8-1, SL8-6HKP-18882Now: $29.96Was: $67.95 -
Out Of Stock
HK UMP, USC Rear Sight, Complete
H&K Heckler & Koch
$45.95HK Heckler and Koch Complete Rear Sight for USC and UMP Includes: Leaf spring Rear sightHKP-16634$45.95 -
HK UMP, USC Factory Cleaning Kit - .45 ACP
HKP HK Parts / Heckler & Koch
$79.95Cleaning Kit For HK USC & UMP .45 ACP Subguns This Cleaning kit a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad cleaning roHKP-01055$79.95 -
HK33, HK93 Optic Mount - 212.5mm - Low Profile - Extended Picatinny Rail
MFI
$189.95MFI 8.5 Inch Mounting Rail For HK 93, 33, Style Receivers The MFI extended scope rail is a quick and easy solution to add a Picatinny top rail to your HK receiver without modifications. The...HKP-01829$189.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight
H&K Heckler & Koch
$237.95German H&K MP5 9mm 30 Round Straight Magazine Original German HK magazines ranging from VG to like new condition. Date coded with factory HK markings. These rare magazines were discontinued by HK...HKP-16263$237.95