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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RMR Hexion Tech Seeker Red Dot Sight
Strike Industries
$128.95Strike Industries RMR Hexion Tech Seeker Red Dot Sight The Seeker RDS is a compact and modular open reflex sight for pistols. What makes this optic modular are three optional shrouds that can be...HKP-21901$128.95 -
HK VP9, P30 Magazine - 20 Round - Red Follower - 9mm
HKP HK Parts / Heckler & Koch
$79.95HKP HK Parts and Heckler and Koch 20 Round 9mm Complete Magazine for HK VP9 and HK P30 HK Parts +5 Gen 2 magazine extension coupled with a 15 round factory German magazine body & red follower that...HKP-18548$79.95 -
Out Of Stock
HK45 Barrel - .45 ACP - 5.87" - Threaded 16x1 LH
RCM
$250.00RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH Upgrade your HK45 with the RCM Tactical .45 ACP barrel. Made from fully heat-treated 4140R steel, this barrel is double stress-relieved and coated...HKP-08926$250.00 -
HK VP9, P30, HK45 Factory Rear Sight
H&K Heckler & Koch
$59.95HK Factory Rear Sight Compatible With: VP9, VP9SK, VP40 (Excludes OR Slides) HK45 HK45 CompactHKP-02161$59.95 -
Out Of Stock
HK P2000,P2000SK HD Night Sight Set - Orange
Trijicon
$154.99Trijicon HK P2000/P2000SK HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set front sight...HKP-14963$154.99 -
HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Pinky Rest
H&K Heckler & Koch
$24.99H&K 10 Round HK USPC/P2000 9mm Floor Plate w/ Pinky Rest Compatible With: HK USP Compact 9mm HK P2000 9mmHKP-01201$24.99 -
HK MR556, MR762, CR556 H-Key 8 Rail Segment
HKP HK Parts
$29.95HK MR556, CR556 & MR762 HKey Rail Segment - 8 Slot 8 slot picatinny rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style...HKP-17844$29.95 -
HK91, G3, PTR91 Stock with Enhanced Buffer, Complete
Magpul
$899.95Magpul PRS Stock With Enhanced Buffer The Magpul PRS2 (Precision Rifle Sniper) is a drop-in, precision-adjustable buttstock designed for the HK G3, HK91, PTR91 rifle and its variants. Designed to...HKP-16698$899.95 -
HK G3K Cocking Tube
PTR
$129.95G3 Cocking Tube For PTR 91K Or G3K Projects - New Perfect for that custom HK build. These are made by PTR to the correct specifications. We do not use cut-down or Pakistani materials, we only use the...HKP-01462$129.95 -
HK91, G3 A2 Fixed Buttstock - Jungle Green - Surplus
H&K Heckler & Koch
$25.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus Used jungle green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each...HKP-16270$25.95 -
HK91, G3 A2 Fixed Buttstock - Alpine Green - Surplus
H&K Heckler & Koch
$29.95HK German Surplus G3, 91, PTR Stock Complete - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are...HKP-17112$29.95 -
PTR Flash Hider - G28 Style - Threaded 5/8x24 RH
MFI
$79.95MFI PTR Flash Hider - .223/5.56 - G28 Style - 5/8x24 RHHKP-17940$79.95