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 USP45 Recoil Assembly, Complete
H&K Heckler & Koch
$99.95Heckler and Koch .45 ACP Complete Recoil Assembly for HK USP New HK German manufacture. Compatible With: USP Full Size Pistol USP Expert USP EliteHKP-01161$99.95 -
HK USP Tactical Magazine - 9mm - 31 Round
H&K Heckler & Koch
$149.00H&K 31 Round HK USP 9mm Tactical Magazine HK German manufactured for the USP 9mm full-size pistol. Holds 31 rounds of 9mm ammunition. Compatible With: HK USP 9mm full-size Variants HK USP .40 (reduced capacity vs 9mm) Will NOT work in...HKP-00302-M$149.00 -
HK91, G3, PTR Magazine - 10 Round - Aluminum
H&K Heckler & Koch
$69.9510-Round 308 Magazine For HK Rifles - Alloy Aluminum Each HK magazine is made by using a factory German HK 20-round mag, that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20-round magazines are too long and...HKP-00351$69.95 -
On Sale
HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm
HKP HK Parts
Now: $91.95Was: $114.95HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points. Properly buffered with factory correct "H" buffers to...HKP-18796Now: $91.95Was: $114.95 -
On Sale
HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy
Michaels Machines
Now: $142.95Was: $168.95MM Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...HKP-00153Now: $142.95Was: $168.95 -
AR-15 Mil-Spec Buffer Tube Kit
HKP HK Parts
$42.95Mil-Spec Buffer Tube Kit Compatible With: AR-15 style platforms Not correct length for HK rifles Includes: Made with T7 7075 aircraft-grade aluminum Made in the USA with a polished inside tube Mil-Spec triple hard coat Teflon anodized...HKP-02735$42.95 -
HK CC9 Rear Sight - Tritium
H&K Heckler & Koch
$41.95Heckler and Koch Rear Tritium Sight for HK CC9 Genuine HK rear tritium night sight for CC9 pistols. Provides improved visibility in low-light conditions. Compatible With: CC9HKP-21956$41.95 -
On Sale
HKP Icon Patch
HKP HK Parts
Now: $3.95Was: $5.99HKP Black and Red Lasercut Patch Get your hands on some of our premium new patches! Features: Velcro Back Official HKP MerchandiseHKP-21296Now: $3.95Was: $5.99 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil Monkey
Zenith
Now: $36.95Was: $43.95Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Feautres: Durable electro-plated black finish for exceptional corrosion resistance All...HKP-20915Now: $36.95Was: $43.95 -
HK Tactical Pistol Bag - Large - Black with Red Logo
H&K Heckler & Koch
$69.95H&K Tactical Pistol Bag - Large - Black with Red Logo Keep your handgun safe and secure with the HK tactical nylon case. This heavy duty case will accommodate two pistols, accessories and two magazines. Includes movable, velcro-backed modular double...HKP-20468$69.95 -
PTR PDW Bolt Carrier - Full Auto - 7.62x39 / 7.62x51 / .308
PTR
$229.95 - $280.95PTR PDW (7.62x39) & (7.62x51/.308) Pistol Full Auto Bolt Carrier Made by PTR using the same blueprints and materials the German HK factory uses has allowed PTR91 to manufacture the finest of HK style firearms here in the US. The PDW F/A carrier is...HKP-20165-M$229.95 - $280.95 -
HK UMP, USC Lower Axle Pin
H&K Heckler & Koch
$9.95HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.HKP-19383$9.95