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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HK45 Magazine - 13 Round - .45 ACP
HKP HK Parts
$104.95HKP 13 Round HK 45/45 Tactical .45 ACP Magazine HK45 & HK45 Tactical +3 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 13 round HK45,...HKP-18387$104.95 -
HK 3 Point Factory Sling
H&K Heckler & Koch
$69.95H&K 3 Point Factory Sling New HK German 3 point factory sling HK Black. Can be used as a 2 point or 3 point sling on your HK rifle. This sling is the factory HK issued sling. Never before offered as...HKP-18428$69.95 -
HK91, G3, HK33, HK53, HK93 Cocking Handle Spring
HKP HK Parts
$3.95HKP Cocking Handle Spring The cocking handle spring is a medium wear component and should be replaced intermittently. Grab a spare to keep with your maintenance gear in case of failure in the field...HKP-02465$3.95 -
HK CC9 Magazine - Extended Pinky Rest - 15 Round
HKP HK Parts
$79.95HKP CC9 15 Round 9mm Complete Magazine w/ Extended Pinky Rest Factory German 12‑round CC9 magazine fitted with an HK Parts +3 extended pinky rest. Available exclusively at HK Parts. FeatureHKP-22369-M$79.95 -
HK VP9, HK45 Series Extractor Spring
H&K Heckler & Koch
$5.95HK VP9/45/P Series Extractor Spring A must-have repair and replacement part and a recommended part to change out when doing routine maintenance on your HK pistol. Compatible With:HKP-01501$5.95 -
HK German Roller +2 - Used - 8.02mm
H&K Heckler & Koch
$7.95H&K German Roller +2 - Used - 8.02mm Used HK standard (8.02 mm) locking roller. The proper roller size is essential for proper bolt gap. HK German Manufacture.HKP-19366$7.95 -
HK91, G3 Cocking Handle - Black Rubberized - Surplus
H&K Heckler & Koch
$24.95HK German HK G3 & HK 91 Rubberized Cocking Handle- Black Used German military surplus from G3 Military rifles. Last remaining units we have on hand. Each comes complete, black in color. Date coded...HKP-17083$24.95 -
HK21 Ammunition Belt without Starter Tab - 50 Round
H&K Heckler & Koch
$29.95H&K 21 50-Round Ammo Belt w/o Starter Tab No starter tab. For belt-fed HK 21 guns.HKP-00569$29.95 -
HK USP, Mark 23 Magazine Follower - .45 ACP - Heckler and Koch
H&K Heckler & Koch
$9.95USP .45 & Mark 23 SOCOM Magazine Follower A great spare to have on hand as this is a wear and replacement item. Compatible With: HK USP 45 ACP 10 RoundHKP-01586-M$9.95 -
On Sale
HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH
HKP HK Parts
Now: $23.95Was: $29.95HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH The HK Parts Micro Comp & Thread Protector is a lightweight, dual-purpose accessory that functions as both a compensator and thread protector. It...HKP-20213Now: $23.95Was: $29.95 -
On Sale
HK MP5, SP5, HK33 1913 Rail Stock or Brace Adapter
JMAC Customs
Now: $85.46Was: $94.95JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Brace/Stock Adapter Finally, a way to mount 1913 stocks or braces to your favorite full-size MP5 clone! It has a Picatinny rail machined on the rear,...HKP-19305Now: $85.46Was: $94.95 -
HK VP9SK Slide Conversion Kit - Optics Ready
H&K Heckler & Koch
$409.95HK VP9SK Kit - Slide Conversion - Optics Ready The VP9SK Optics ready slide quickly and easily converts a standard VP9SK OR VP9SK-B to an optics ready platform. Just install your existing barrel and...HKP-21047$409.95