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 USPC Night Sights - Tru-Dot - Orange, Green
Meprolight
$97.95Meprolight HK USPC Tru-Dot Night Sights - Orange/Green Features: Unequaled Light Performance Brightest Night Sights Available TodayHKP-01909$97.95 -
HK416, MR556, HK417, MR762 Pistol Grip - V1
H&K Heckler & Koch
$79.95H&K 416/417 & MR556/762 V1 Battle Grip - Black This is a great upgrade for any AR15, M16/416 platform. New factory German HK manufacture. Compatible With: HK 416/MR556HKP-01023$79.95 -
HK USC Faux Suppressor - .45 ACP
HDPS
$180.99HDPS HK USC Faux Suppressor - .45 ACP Second-generation HDPS faux sound suppressor for the HK USC. This latest-production model is an integral one-piece design milled from a solid billet of...HKP-02369$180.99 -
HK G3K Barrel - 7.62x51 / .308 - 12.69" - Threaded 15x1 RH
RCM
$244.95RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH Manufactured to exact G3K specifications from cold hammer forged (CHF) steel, this barrel is a direct replacement for worn G3K barrels or ideal for...HKP-01499$244.95 -
HK SP5K 9mm Housing - SEF, Navy Style - Clipped and Pinned
H&K Heckler & Koch
$199.95HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9HKP-17945$199.95 -
HK91, G3 Tactical Rail - 4"
HKP HK Parts
$12.95HKP Tactical Rail - 4 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up...HKP-02528$12.95 -
On Sale
Glock 9mm +3 Magazine Extension
Tactical Precision MFG
Now: $12.35Was: $39.95TPM Glock 9mm +3 Magazine Extension This extension is made from machined 6061 aluminum. This magazine extension will increase the capacity, reload speed, mag drops, and overall functionality of your...HKP-21136-MNow: $12.35Was: $39.95 -
HKP 2 Point Leather Sling - Black
HKP HK Parts
$49.95HKP 2 Point Leather Sling - Black These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German...HKP-20152$49.95 -
On Sale
HK VP9SK Compensator - Quick Detach - Steel
HKP HK Parts
Now: $72.71Was: $199.95HKP HK VP9SK Comp Weight™ Quick Detach Compensator Easy on, easy off- Quick Detach technology. The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides...HKP-18376Now: $72.71Was: $199.95 -
HK USP Compact Recoil Rod Assemblies Snap Ring
H&K Heckler & Koch
$7.95HK USPC Recoil Rod Assemblies Snap Ring A great item to have on hand as they are prone to falling off when doing scheduled maintenance and cleaning on the recoil assemblies. Compatible With:HKP-01944$7.95 -
Out Of Stock
HK MP5, MP5K Paddle Mag Release Contact Piece
H&K Heckler & Koch
$59.95Heckler and Koch 9mm Contact Piece for Paddle Mag Release for HK MP5 and HK MP5K - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correcHKP-00118$59.95 -
On Sale
HK VP9L, VP9 Match International Holster - Button Comp Carry
Comp-Tac
$50.97 - $79.95Comp-Tac HK VP9L/VP9 Match International Button Comp Carry Holster At last a custom made Comp-Tac international OWB holster for your HK pistol that allows you to have the rail mount compensator,...HKP-20114-M$50.97 - $79.95