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 USP Magazine - .40 S&W - 10 Round
H&K Heckler & Koch
$55.95HK German Full Size USP .40 10 Round Magazine Fits all USP full-size .40 pistols. Perfect for those who live in restricted states. Compatible With: HK USP .40 HK USP .40 Tactical HK USP Elite & Expert Please Note: This part will not fit the USP...HKP-01205$55.95 -
HK USC (.45 ACP) 10 Round Magazine
H&K Heckler & Koch
$74.95HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.HKP-00811$74.95 -
HK91, G3 Cocking Handle Support
H&K Heckler & Koch
$24.95New HK German 91, G3, & PTR Cocking Handle Support A genuine German Heckler & Koch all-steel part. Compatible With: HK91 HK G3 PTR-91 PTR-32 HK .308 Custom builds & clonesHKP-01442$24.95 -
HK VP9, VP40 Magazine Release - Enhanced
HKP HK Parts
$49.95Enhanced Magazine Release - Alloy - HK VP Series The oversized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of your grip. Made in the USA from 6061 billeted aluminum...HKP-21099-M$49.95 -
HK MP5, MP5K Optic Mount
HKP HK Parts
$119.95HKP HK MP5 / MP5K Universal Optic Mount The HKP universal optic mount incorporates the VP9 optic footprint, allowing the user to install any VP9 compatible optic on their MP5 with a German or HKP VP9 optic plate. Swap optics like Trijicon,...HKP-20967-M$119.95 -
HK VP9 Optic Plate #12 - Aimpoint ACRO P-1, P-2 - Red Dot Pistol Mount - Steel
HKP HK Parts
$49.95HK VP9 Series Optics Ready #12 - Aimpoint ACRO - Optic Mount - Steel Each VP9 optic plate is CNC machined from a solid billet of ordnance grade steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2...HKP-20030$49.95 -
HK MP5, SP5K, HK33, HK53, HK93 Optic Mount - Raised - Aimpoint ACRO
HKP HK Parts
$119.95HKP - HK MP5 Optic Mount - ACRO - Raised HK Parts brings you one of the most requested optic mounts for the MP5/MP5K platform. A raised design with a direct Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK...HKP-21484-M$119.95 -
HK USP45, Mark 23 +10 Magazine Extension
HKP HK Parts
$69.95Magazine Extension - +10 - HK USP .45 & Mark 23 Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing needed. Made 100% in the USA out of aircraft-grade hard coat anodized aluminum with steel hardware...HKP-21371-M$69.95 -
HK91, G3 Cocking Tube
H&K Heckler & Koch
$134.95HK German G3, 91, PTR Cocking Tube This is the factory-new part straight from HK Germany, and it is heat treated with the proper ribbed cocking tube extrusion. No longer in production and not POF or other low-quality production. HK G3 HK 91 PTR-91...HKP-01041$134.95 -
On Sale
Pack of 10 Polish Signal Flares - 26.5MM
Other
Now: $59.95Was: $74.95Pack of 10 Polish Signal Flares - 26.5MM Includes an original, sealed pack of 10 Polish signal flares. The pack of 10 Polish military surplus flares include 2 of each of the following: White Fire, Red Fire, Green Fire, Blue Smoke, and Red...HKP-20793Now: $59.95Was: $74.95 -
HK91, G3 Cocking Handle - Compliant - US
PTR
$25.95HK U.S. Made Cocking Handle - PTR Manufactured Compliant parts are hard to find and important for keeping your HK G3 and HK 91 build 922r compliant.HKP-00376$25.95 -
On Sale
HK VP9SK Rail Mount Compensator
HKP HK Parts
Now: $99.95Was: $169.95HKP HK VP9SK Rail Mount Compensator Specifications: Length - 3 1/2 inches Height - 1 3/4 inches Weight - 4.8 oz. Torque: Bottom Screws - 26 inch-lbs Side Screws - 18 inch-lbs Not to be used with a threaded barrel DISCLAIMER: Improper installation...HKP-20037Now: $99.95Was: $169.95