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 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 -
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 -
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 USP Slide Release Lever
H&K Heckler & Koch
$59.95HK USP Slide Release Lever Compatible With All USP Full Size Pistols & All USP Full Size Variants Below: USP 45 USP 40 USP 9mm USP Tactical (all calibers) USP Expert (all calibers) USP Elite (all calibers)HKP-01674$59.95 -
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 -
HK Front Sight Blade
H&K Heckler & Koch
$11.95H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames.HKP-00370$11.95 -
Picatinny Rail for HK Receivers - 5.3" - Slot
DTAC Dakota Tactical
$74.95DTAC Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-17818$74.95 -
HK VP9, P30, P2000 Backstrap Pin Punch
H&K Heckler & Koch
$9.95H&K VP/P30/P2000 Backstrap Pin Punch Pin punch designed for removing and installing the backstrap pin on select H&K pistol models. Sized at 7/64", this tool ensures a proper fit without damaging the frame or pin. Compatible With HK VP9/VP9SK HK...HKP-21973$9.95