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 P30 Recoil Rod Compression Spring
H&K Heckler & Koch
$7.95H&K HK P30 Recoil Rod Compression SpringHKP-16653$7.95 -
On Sale
HK P2000SK Holster - Paddle
Comp-Tac
Now: $57.95Was: $64.95Comp-Tac HK P2000SK Paddle Holster The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The paddle is designed to be worn at 3:00 for the right handed shooter. The...HKP-18813-MNow: $57.95Was: $64.95 -
HK USPC, HK45C, P2000, P2000SK Trigger
H&K Heckler & Koch
$29.95Heckler and Koch Trigger for HK USP Compact, HK45 Compact, HK P2000, and HK P2000SK New HK manufactured. Compatible With: HK45 Compact HK45 Compact Tactical USP Compact USP Compact Tactical P2000 P2000SKHKP-02603$29.95 -
Out Of Stock
HK USP Hammer Spring
H&K Heckler & Koch
$7.95H&K HK USP Hammer Rebound Spring For use on DAO only NOT LEM hammers for the following pistols. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45...HKP-16678$7.95 -
HK416, HK417, MR556, MR762 Pin Look Index
H&K Heckler & Koch
$6.95H&K HK 417/MR556/416/MR776 Pin Look Index Compatible With: HK MR556 HK 417 HK MR556HKP-02639$6.95 -
Out Of Stock
HK G36, SL8 Optic Mount, Carry Handle - Picatinny Rail - New Style
H&K Heckler & Koch
$274.99HK German HK SL8 & G36 Picatinny Scope With Rail/ Carry Handle This is the perfect mounting solution for optics. Made from the highest quality combat grade aluminum with a hard coat anodized black finish. Compatible With: G36 models SL8...HKP-01878$274.99 -
On Sale
HK G36, SL8 Bolt Head Ejector - USA
Now: $10.95Was: $13.95HK G36/SL8 Ejector For All G36, SL8 bolts -US MadeHKP-18371Now: $10.95Was: $13.95 -
HK91, G3 Trigger Pack - Complete - Semi-Auto
H&K Heckler & Koch
$348.95H&K G3/91 (7.62x51/.308) Complete Trigger Pack - Semi Auto HK German manufactured trigger pack complete with all the parts being professionally converted from a factory German F/A trigger pack to semi-only. Compatible With: HK91, G3, PTR...HKP-00217$348.95 -
On Sale
HK MP5 to AR Stock and Adapter
HKP HK Parts
Now: $183.95Was: $229.95HKP MP5 to AR Adapter & Stock Complete Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock...HKP-17119Now: $183.95Was: $229.95 -
HK MP5, HK90 Series Extended Selector Lever - Left Side ESSL - Ambi Burst Trigger packs
H&K Heckler & Koch
$94.95Heckler and Koch Extended Selector Lever - Burst 3 Position Brand new, genuine German HK extended ambi left side safety selector with axis for all ambidextrous burst lowers. This is a LEFT side EXTENDED Safety Selector Lever ESSL for ambidextrous...HKP-16973$94.95 -
On Sale
HK UMP Barrel Pin Screw
OMEGA
Now: $10.95Was: $13.95Omega UMP Barrel Pin Screw Barrel pin Screw that replaces barrel pins on Omega Gideon Shadow Compatible With: HK UMP HK USC Omega GSHKP-22514Now: $10.95Was: $13.95 -
On Sale
UCS Universal Carbine Stock - M1913 rail
Magpul
Now: $188.95Was: $209.95Magpul UCS Universal Carbine Stock The Magpul UCS (Universal Carbine Stock) is designed to be the ideal lightweight supplement to the vast array of firearms utilizing a vertical M1913 rail on the rear of the receiver for stock fitment. To accommodate the...HKP-22171-MNow: $188.95Was: $209.95