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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Out Of Stock
HK SP5 Case Deflector - 9mm, 10mm, .40 S&W
H&K Heckler & Koch
$49.95Heckler and Koch Case Deflector for 9mm, 10mm, and .40 S&W HK SP5 Factory HK case deflector for the SP5 platform chambered in 9mm, 10mm, and .40 S&W. Compatible With: SP5HKP-02170$49.95 -
HK MP5 Magazine Locking Plate - 9mm - Red
HKP HK Parts
$7.95HKP HK MP5, MP5K 9mm Magazine Locking Plate - HK Red Teflon infused glass filled polymer red colored locking plate that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the locking plate to a red unit. A great...HKP-18303$7.95 -
HK USP Hybrid Trigger - Volker Precision
Volker Precision
$97.95HK USP Hybrid Trigger Volker Precision hybrid trigger for full size USP models in all calibers. Available exclusively at HK Parts Compatible With: HK USP9, USP40, USP45 Fitment Notes: This part is designed to work with factory internals ONLY. ...HKP-22442$97.95 -
HK MR556, MR762 A4 45 Degree Ambi Safety Lever
H&K Heckler & Koch
$52.00H&K MR556/MR762 A4 45 Degree Ambi Safety Lever Genuine H&K ambidextrous 45-degree safety lever for MR556 and MR762 A4 rifles. Includes: Right safety lever Left safety lever Safety lever clamping...HKP-22034$52.00 -
Out Of Stock
HK MP5, HK94, SP89 Magazine Pouch - 3 Straight Mags - 30 Round - Canvas
H&K Heckler & Koch
$24.95German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags - Used to Good Used to good shape German HK magazine Pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...HKP-20728$24.95 -
HK91, G3 2-Stage Trigger
Timney Triggers
$348.95Timney Trigger for - HK91, PTR 91 The Timney HK91 trigger is factory-set with a two pound first stage and a two pound second stage pull weight. This offering comes complete with a factory German .308 ejector lever, ejector spring and ejector axle,...HKP-20508$348.95 -
On Sale
HK91, G3 Tapered Barrel - 16" - Threaded 5/8x24 RH
PTR
Now: $141.71Was: $229.95PTR HK G3/91 Tapered Barrel - Threaded 5/8x24 PTR manufactured US made barrel for the HK91, G3 & PTR style of firearms. This 16" barrel will allow you to add a threaded flash hider that is threaded 5/8x24 US threads. Specifications: Overall Length...HKP-19472Now: $141.71Was: $229.95 -
Out Of Stock
HK G36K Piston Rod Assembly, Complete
H&K Heckler & Koch
$89.95New Heckler and Koch German Gas Piston Rod and Spring Assembly for HK G36K Great for spare parts or to use on that HK SL8-G36 conversion. Compatible with: G36KHKP-00284$89.95 -
HK Extended Right Side Ambidextrous Selector Lever
H&K Heckler & Koch
$64.95HK German Right Side Ambidextrous EXTENDED (ESSL) Lever New German HK extended selector lever for the right side of all ambidextrous trigger packs. Works with all ambi left side HK selector levers. Compatible With: MP5, 94 MP5 clone and custom...HKP-18875$64.95 -
HK MP5, SP5 Rear Sight Assembly Sets, Complete - All 7 Pieces
H&K Heckler & Koch
$129.95MP5, SP5, MP5K, & SP5K Rear Sight Set Complete - German HK Each rear sight set includes the entire rear sight assembly & all the mounting hardware for the complete MP5 rear sight assembly. Each Set Includes The Following German HK...HKP-02531$129.95 -
Out Of Stock
HK MP5, HK33, HK53, HK93 A2 Fixed Stock
H&K Heckler & Koch
$139.95H&K 93,33,53 and MP5 A2 Fixed Stock This H&K G3 stock section and buttpad combo is designed to enhance the functionality and comfort of your HK 93,53 and MP5 firearm. The stock section provides improved strength and stability, while the...HKP-21818-M$139.95 -
On Sale
HK VP9 Optic Plate #12 - Aimpoint ACRO P-1, P-2 - Red Dot Pistol Mount - Alloy
HKP HK Parts
$19.09 - $29.95HK VP9 Series Optics Ready #12 - Aimpoint ACRO P-1, P-2 - Optic Mount - Aluminum The finest all aluminum mounting solution for your HK VP9 series optic ready model. Each unit comes with 2 T20 steel torx plus screws for mounting the optic plate to your...HKP-21510-M$19.09 - $29.95