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 USP 40 Incomplete Slide
H&K Heckler & Koch
$399.95HK USP 40 Cal Slide - Incomplete New German HK USP 40 S&W Slide Incomplete HK manufactured. Each slide comes stripped but ready to assemble with either existing parts or from new parts offered here at HK Parts. Compatible With: HK USP 40 S&WHKP-17144$399.95 -
MFI HK .40 S&W Pistol Fake Suppressor - Threaded 14.5x1 LH
MFI
$124.95MFI HK .40 S&W Pistol Fake Suppressor - Threaded 14.5x1 LH The MFI Fake Suppressor for HK pistols is designed for real weapons but will also fit replicas and airsoft weapons with appropriate adapters. These do not suppress sound in any way and are...HKP-02033$124.95 -
Out Of Stock
HK45 Barrel - .45 ACP - 4.46" - German
H&K Heckler & Koch
$314.95H&K HK 45 German Barrel New HK45 German manufacture Cold Hammer Forged Factory Barrel. This is the perfect replacement barrel for those who have an HK45 Tactical model and want to replace the barrel with a non-threaded barrel. Compatible...HKP-14564$314.95 -
HK P30, P30L Grip Shell - Right - Medium
H&K Heckler & Koch
$24.95HK P30 & P30L Right Side Grip Shell - Medium - BlackHKP-02251$24.95 -
HK VP9, P30, HK45 Front Sight 5.9mm - Green
H&K Heckler & Koch
$59.95HK VP, P30, & 45 Front Sight 5.9mm - Green Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-02370$59.95 -
HK USPC 9mm & .40 S&W Trigger Bar
H&K Heckler & Koch
$22.95HK USPC 9mm & .40 S&W Trigger Bar Compatible With: HK USP Compact 9mm HK USP Compact 40 S&WHKP-02266$22.95 -
Out Of Stock
HK VP9, P30, USPC, P2000 Magazine Follower - 9mm / .40 S&W - White
H&K Heckler & Koch
$29.95HK VP/P30/USPC/P2000 9mm/.40 S&W Magazine Follower - White A great replacement item and one that is good to have on hand for spares as they do wear with use. Compatible With: HK VP9, VP9SK, VP40 9mm & .40 HK VP9A1 F, VP9A1 K P30, P30S &...HKP-18782$29.95 -
On Sale
Now: $19.95Was: $29.95 -
Out Of Stock
HK416, MR556, MR762 Buttstock Locking Bolt
H&K Heckler & Koch
$0.00H&K HK MR556/MR762/416 Buttstock Locking Bolt Compatible With: HK MR556 HK 416 HK MR762HKP-16845$0.00 -
HK416 A5 Stripped Upper Receiver - RAL8000
H&K Heckler & Koch
$1,559.95HK German Un-Assembled - Stripped HK416 A5 Upper Receiver - RAL 8K Brand new factory German RAL 8000 HK416A5 upper receiver. Compatible With: HK416 HK MR556 HK MR223 Looking for a matching lower for your build? STS416 A5 LOWER - Specialized...HKP-18787$1,559.95 -
HK G36 Guide Rod Set Screw
H&K Heckler & Koch
$9.95HK G36 Guide Rod Set Screw Replacement guide rod set screw for HK G36 platforms. Designed to secure the guide rod assembly within the bolt carrier group during proper installation and maintenance. Compatible With: G36HKP-01873$9.95 -
HK G36, SL8 Bolt Hold Open Catch
H&K Heckler & Koch
$59.95H&K G36/SL8 (5.56/.223) Bolt Hold Open Catch New HK German manufacture. Compatible With: SL8-1 SL8-6HKP-16378$59.95