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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HKP 22 Round HK VP9, HK P30 9mm Complete Magazine
HKP HK Parts
$89.9522 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 Drop-in magazine ready to go! Ideal for competitive shooters that would like a 22 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes...HKP-21251$89.95 -
HK VP9 R3d 2.0 Night Sights
XS Sights
$139.95XS Sight Systems HK VP9OR R3d 2.0 Night Sights - Suppressor Height R3D 2.0 sights are the premium solution for a traditional notch and post-sighting system. The set is engineered to provide a brighter, stronger, and easily installable sighting system for...HKP-21203-M$139.95 -
On Sale
HKP HK Mark 23 .45 Cal Non-Threaded Compensator
HKP HK Parts
Now: $124.95Was: $199.95HKP HK Mark 23 .45 Cal Non-Threaded Compensator The HK Parts mark 23 compensator will add a sleek and tactical look to your MK23. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...HKP-20821Now: $124.95Was: $199.95 -
HK G36, SL8 Optic Mount - Fixed Sights - Picatinny Rail
USA
$199.95HK SL8, G36 Sight Rail With Front & Rear Fixed Sights US made SL8 & G36 Picatinny rail with fixed iron sights. Each rail requires 3 hardware sets to mount. Compatible With: HK SL8, HK Sl8-1 G36, G36K, G36CHKP-19717$199.95 -
On Sale
HK45C Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $134.95Was: $189.95HKP HK 45C .45 Rail Mount Compensator for Threaded Barrel Specifications: Length: 4 inches Height: 2 1/2 inches Weight: 5 oz. Torque: Bottom Screws - 26 inch-lbs Side Screws - 18 inch-lbs Crafted from aircraft-grade billet aluminum and finished in...HKP-20597Now: $134.95Was: $189.95 -
ASR AC233 Flash Hider - .30 CAL - Threaded 15x1
SilencerCo
$92.95SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 The SilencerCo ASR .30 Cal AC233 Flash Hider is designed for use with ASR (Active Spring Retention) mounts, providing a quick attach/detach system compatible with nearly all SilencerCo suppressors...HKP-19507$92.95 -
Bore Boss Pull-Through Bore Cleaner - .44 / .45 ACP
Real Avid
$12.95Real Avid Bore Boss Pull-Through Bore Cleaner - .44/.45 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece cable...HKP-19401$12.95 -
Out Of Stock
HK SP5 9mm 4 Position (0,1,3,F Pictogram) Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$425.95H&K SP5 9mm 4 Position (0,1,3,F Pictogram) Navy Style Trigger Housing - Clipped & Pinned The navy style trigger housing is the perfect addition to your HK SP5 9mm firearm. Designed for easy drop in installation, this housing allows you to...HKP-19231$425.95 -
Out Of StockOn Sale
HK USP, USP Tactical Barrel - 9mm - 4.86" - Threaded 13.5x1 LH
RCM
Now: $180.00Was: $225.00RCM HK USP 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available...HKP-16706Now: $180.00Was: $225.00 -
HK German Universal Multi Tool
H&K Heckler & Koch
$79.95H&K German Universal Multi Tool This is ideal for the USC or SL8 style of weapon systems. Great multi-tool for sights, handguards, or work on any other accessories.HKP-00374$79.95 -
HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy
Michaels Machines
$168.95MM Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...HKP-00153$168.95 -
Ergo Sling Loop Rail Mount- Ambidextrous
Ergo
$29.95Ergo Sling Loop Rail Mount- Ambidextrous The ergonomic HK slide mount sling hook base provides an economical means for attaching an HK-style sling hook to all 1913 Picatinny rails. Perfect for mounting on a tactical rail system or other Picatinny forearm...HKP-14526$29.95