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 UMP, USC Lower Locking Pin
H&K Heckler & Koch
$36.95HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.HKP-00595$36.95 -
On Sale
HK93, HK33 Handguard - M-LOK
HKP HK Parts
$89.22 - $139.95HK93, HK33 & PTR Low Profile Forearm M-LOK The M-LOK tactical handguard delivers modern M-LOK functionality to classic HK platforms. Features: Made in USAHKP-17263-M$89.22 - $139.95 -
HK33, HK53, HK93 Backplate - Parkerized
H&K Heckler & Koch
$64.95Steel Back Plate For HK93, 33, 53 & MP5, 94- Parkerized Finish HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly parkerized. Derived from a German...HKP-16252$64.95 -
HK21, FMP21 Teardrop Rail Set - T-Rail
HKP HK Parts
$197.95HKP HK21/FMP21 Teardrop Rail Set HK teardrop style reinforcement rails. The ultimate choice for period correct builds. Expertly crafted in the USA from high-quality 4140 steel, these ready-to-weld...HKP-21671$197.95 -
On Sale
B&T MP9, TP9, APC9, SPC9, GHM9, KH9 Magazine - 20 Round - Improved Rubber Bumper
B&T Brugger & Thomet
Now: $58.50Was: $65.00B&T 20 Round Magazine 9mm with Improved Rubber Bumper The B&T factory 20 round magazine is designed for reliable performance in B&T firearms. Equipped with an upgraded rubber bumper for added...HKP-21714Now: $58.50Was: $65.00 -
On Sale
HK P2000SK Holster - DCH Comp Carry
Comp-Tac
$44.59 - $69.95Comp-Tac HK P2000SK DCH Comp Carry Holster The holster offers both inside-the-waistband and outside-the-waistband options, allowing the user to carry for their mission. The Dual Concealment Holster...HKP-21120-M$44.59 - $69.95 -
Out Of Stock
B&T APC9, APC10, APC45 Telescopic Stock - 3 Position
B&T Brugger & Thomet
$650.00B&T APC9, APC10, APC45 Stock - Telescopic - 3 Position This Swiss made B&T telescopic stock is for the APC9 and APC45. This is a military grade stock as supplied by B&T to military and law...HKP-18104$650.00 -
HK G36, SL8 Bolt Catch
H&K Heckler & Koch
$24.95HK G36 & SL8 Bolt Catch On AR-15 systems this part would be similar to a cam pin. Compatible With: G36 G36KHKP-02472$24.95 -
Out Of Stock
HK UMP, USC, G36 Handstop Complete
H&K Heckler & Koch
$68.95HK German Hand Stop Unit Complete This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.HKP-00596$68.95 -
Out Of Stock
HK90 Series Night Sight Set - Front and Rear
Trijicon
$124.95Trijicon 90 Series Front & Rear Night Sight Set Trijicon produces the brightest night sights available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a no-brainer for...HKP-00373$124.95 -
Out Of Stock
HK Navy Extended Selector Lever - 3 Position
H&K Heckler & Koch
$199.95HK Ambidextrous Left Side EXTENDED (ESSL) 3 Position Navy Selector Lever New German HK Extended lever for all 3 position navy ambidextrous trigger packs or trigger groups. It will not fit SEF-style...HKP-00125$199.95 -
On Sale
Now: $122.36Was: $135.95