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 Style 9mm 3 Lug Suppressor Adapter - Threaded 13.5x1 LH
Kaw Valley Precision
$39.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 13.5x1 LH The KVP 3-Lug adapters are precision manufactured to replicate the popular HK pattern 3-Lug interface, with exceptional concentricity of ID and OD surfaces. Machined on a high...HKP-19993$39.95 -
HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH
HKP HK Parts
$29.95HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp easily threads on to the end of any factory...HKP-21635$29.95 -
Out Of Stock
HK USPC Tactical Barrel - 9mm - 4.28" - Threaded 1/2x28 RH
RCM
$225.00RCM HK USPC 9mm Tactical Barrel - Threaded 1/2x28 RH Each USPC 9mm tactical barrel is crafted from ordnance grade steel, heat-treated, and finished with a durable nitride coating. It is the finest threaded replacement barrel for the HK USPC 9mm...HKP-01705$225.00 -
HK416 Firing Pin Retaining Pin - Enhanced
H&K Heckler & Koch
$19.95Heckler and Koch Firing Pin Retaining Pin - New Style for HK416 This part is the newer style pin that is goldish, super hardened, and much less prone to wear and tear. The enhanced version is the most robust, easiest-to-use pin available. Compatible...HKP-02658$19.95 -
Out Of Stock
HK33, HK53, HK93 Backplate - Painted
H&K Heckler & Koch
$69.95Steel Back Plate For HK93, 33, 53 & MP5, 94- Painted HK Black HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly painted HK Black. Manufactured from German HK backplates with factory tooling...HKP-16254$69.95 -
HK MP5, HK94 Operator's Manual
HKP HK Parts
$14.95HKP MP5, 94 Operator's Manual The MP5, 94 or other HK MP5 clones Operator Manual is 36 pages of a page by page translation of the original Bundeswehr ( German Federal Army) instruction manual for their service machine pistol, the MP5. There are 26...HKP-15765$14.95 -
HK USP, USP Compact, P2000 Magazine Release Lever
H&K Heckler & Koch
$12.95HK Magazine Release Lever Compatible With: HK USP .45 HK USP .40 HK USP 9mm HK USP Compact 9mm HK USP Compact .357 SIG HK USP Compact .40 HK USP Compact .45 HK USP Tactical, Elite, Expert both full size & compact HK P2000 9mm & .40/.357 HK...HKP-02480$12.95 -
HK91, G3, PTR Handguard - M-LOK
MI Midwest Industries
$189.95MI HK G3/91/PTR M-LOK Forearm Fits the HK G3, 91 lengths for firearms to include the full-length PTR models that use a G3/91 full-length forearm. May fit some CETME models such as the C308 with fitting required. Made in the USA, 922r...HKP-18439$189.95 -
HK MP5 Optic Mount - Raised Aimpoint Acro
HKP HK Parts
$134.95HKP HK MP5 Raised Aimpoint Acro Optic Mount HK Parts brings you one of the most requested optic mounts for the MP5 platform. An elevated design with a direct Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK...HKP-21666-M$134.95 -
Uzi Sling - Used
Other
$24.95Uzi Sling - Used Original IMI sling used complete with steel buckle, two leather loops and steel tip keepers. Once they're gone, they're gone for good. Compatible With: Action Arms Uzi Micro & Mini SMG Model A&B carbine Semi-Auto Mini Carbine...HKP-21562$24.95 -
HK G36, SL8 Ambidextrous Sling Pin
H&K Heckler & Koch
$49.95HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with ease.HKP-00619$49.95 -
PTR Chevron Front Sight - Gen 2 - Orange
Blitzkrieg Components
$56.99Blitzkrieg PTR Chevron Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight provides a bold, fast sight picture with a bright orange chevron for quick target acquisition. The sight face is moved forward for enhanced...HKP-20453$56.99