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 German Leather Sling - Used - Excellent
H&K Heckler & Koch
$79.95Original Surplus German HK Leather 2 point sling - Used- Excellent Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in excellent shape overall. Made with leather straps...HKP-20347$79.95 -
HK USP Magazine Floorplate - .45 ACP - 10 Round - Extended
H&K Heckler & Koch
$12.95H&K 10 Round HK USP .45 ACP Extended Floor Plate This is a great part to stock up on as the 10-round tabs are known for breakage, or if you have large hands, the extended floorplate is a must-have...HKP-01281$12.95 -
On Sale
HK VP9 Railok™ Compensator
HKP HK Parts
Now: $97.46Was: $189.95HK Parts Railok™ Mounting System Compensator: H&K VP9 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in...HKP-21111Now: $97.46Was: $189.95 -
Out Of Stock
HK VP Series F2 Trigger - Flat Face - Red
Lazy Wolf
$134.95Lazy Wolf F2 Flat Face Trigger for the Heckler and Koch HK VP Series In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 and HK VP40 handguns. The drop...HKP-19290$134.95 -
HK USPC, P2000 Magazine Floorplate - 9mm -13 Round - Pinky Rest
H&K Heckler & Koch
$22.95New HK German Magazine Floorplate With Finger Rest Compatible With: HK USP Compact 9mm 13-round magazine HK P2000 9mm 13-round magazineHKP-00969$22.95 -
On Sale
HK MP5 Surefire Lighted Handguard - 328LMF
Surefire
Now: $584.96Was: $649.95Surefire - 328LMF - Lighted Handguard The SureFire 328LMF-B replaces the original handguard of your HK MP5, HK53, or HK94. Compact 3-volt (1-battery) system features a virtually indestructible LED...HKP-17632Now: $584.96Was: $649.95 -
On Sale
HK416, MR556 Adjustable Gas Block - 11-20" A1 Barrels - NA5
Nefarious Arms
Now: $336.95Was: $374.95Nefarious Arms - NA5 HK 416 Adjustable Gas Block Nefarious Arm user configurable 2-position adjustable gas block compatible with 11″ – 20″ A1 MR556 and HK416 barrels. Each gas block ships with 6...HKP-21040Now: $336.95Was: $374.95 -
Out Of Stock
HK VP9, P30, HK45 Adjustable Match Sights Fiber Optic
H&K Heckler & Koch
$117.95H&K HK VP9, HK P30, HK 45 Adjustable Match Sights Fiber Optic - Other LPA Match Sights with Fiber Optic inserts. Adjustable in elevation and windage (front and rear sight set) Compatible With:<HKP-18828$117.95 -
HK45, USP, USP Tactical Recoil Spring
H&K Heckler & Koch
$13.95HK 45/USP/Tactical Recoil Spring New HK Factory recoil spring (Factory 14lb) for USP 45 full size. Compatible With: HK USP 45<HKP-01982$13.95 -
HK91, G3 Cocking Handle - Rubberized
H&K Heckler & Koch
$32.95HK German G3 & HK 91 Rubberized Cocking Handle - Newest Style A genuine Heckler & Koch part. This is the latest style cocking handle that replaces the standard plastic style cocking handle that...HKP-00509$32.95 -
On Sale
HK MP5, HK90 Series Trigger Box - Semi Auto - Billeted
HKP HK Parts
$59.95 - $69.95HKP HK Parts USA America Made Trigger Pack for HK90 Series, Century, PTR, and Zenith This part is a perfect 922r compliant part as it counts as one of the needed US-made paHKP-02384$59.95 - $69.95 -
HK VP9 Competition Magwell
HKP HK Parts
$44.95HKP HK VP9 Competition Magwell Speed up those mag swaps with the HK Parts competition magwell for the VP9. Crafted from billet aluminum in the US, these magwells are light and just the right...HKP-22199-M$44.95