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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HK416, MR556, HK417, MR762, G28 Pistol Grip - A5 Style - Gen 2 - RAL8000
H&K Heckler & Koch
$51.95Heckler and Koch A5 Grip V2 - RAL 8000 HK416, MR556, HK417, MR762 G28 A5 Compatible With: HK416, HK416 A5,HKP-18467$51.95 -
HK VP9 Magwell - Tactical Low Profile - Steel
HKP HK Parts
$59.95 - $74.95HKP HK VP9 Magwell - Tactical Low Profile - Steel Low profile, every day carry magwell for the HK VP9/VP40 pistol. The low profile mag-well is designed for the average every day VP owner. Whom would...HKP-18545-M$59.95 - $74.95 -
HK MP5 Bolt Group, Complete - 9mm - Full and Semi
RCM
$474.95Complete Bolt Group - RCM - HK Style MP5 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. This is the finest US BCG available. Each bolt group comes complete,...HKP-19317$474.95 -
HK45, HK45 Compact Ambidextrous Control Lever Kit
H&K Heckler & Koch
$69.95Factory HK German Genuine HK45 & HK45C Ambidextrous Control Lever Kit A must-have upgrade for those who would like to have the ability of both left and right side control levers. Hard to find, easy...HKP-01154$69.95 -
HK MP5, SP5K, HK33, HK53, HK93 Optic Mount - Raised - Aimpoint ACRO
HKP HK Parts
$119.95HKP - HK MP5 Optic Mount - ACRO - Raised HK Parts brings you one of the most requested optic mounts for the MP5/MP5K platform. A raised design with a direct Aimpoint ACRO mounting interface. Our ACRO...HKP-21484-M$119.95 -
HK MP5K Vertical Foregrip - M-LOK Cantilever Rail
H&K Heckler & Koch
$128.95H&K / Magpul HK MP5K VFG w/Magpul Cantilever M-LOK Rail Factory HK VFG for the MP5K platform adapted by HKP to feature a Magpul M-LOK polymer cantilever rail. The VFG features an M-LOK mounting...HKP-20955$128.95 -
On Sale
UZI Magazine Spring - .22LR - 20 Round
Walther
Now: $1.46Was: $3.95Walther 20 Round UZI .22 Magazine Spring Uzi .22LR 20 round magazine spring for the Uzi, Walther, Umarex .22 pistol. A good supply of spare mag springs is a must. These are ideal to have on hand as...HKP-15592Now: $1.46Was: $3.95 -
Out Of Stock
HK G36 Buttstock Axle Pin
H&K Heckler & Koch
$38.95G36 Stock Axle Pin For SL8 To G36 Stock Conversion New HK German manufacture. This is the axle pin that holds the G36 or G36C folding stock to the rear section of the receiver. Also used to mount the...HKP-00741$38.95 -
HK MP5K, HK90 Series Sear Complete - Steel - Used Surplus
H&K Heckler & Koch
$12.95Heckler & Koch's Sear Catch Release - Complete for HKP 90, MP5K Trigger Packs - German - Used - Steel German HK Sear/Catch complete with installed detent, spring and roll pin. Used surplus in VG-EXC...HKP-18304$12.95 -
Out Of Stock
HK VP Series F3 Trigger - Full Flat Face - Red
Lazy Wolf
$134.95Lazy Wolf VP Series F3 Full Flat Face Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger...HKP-18803$134.95 -
HK P Series LEM Elbow Spring
H&K Heckler & Koch
$6.95Heckler and Koch HK P Series LEM Elbow Spring Compatible With All LEM Models Below: HK P30 HK P30LHKP-02498$6.95 -
On Sale
HK MP5, SP5K Barrel Flute Brush - 9mm
HKP HK Parts
Now: $18.36Was: $22.95HKP HK Cleaning Brush - 9mm - Barrel Flute Short, flexible brush sized for cleaning 9mm fluted barrels. Designed to reach the grooves and remove fouling without damaging the flute edges. Compatible...HKP-22315Now: $18.36Was: $22.95