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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Out Of Stock
HK Fray Fixed Blade Knife
H&K Heckler & Koch
$169.95Features: • Frame: Black OverMolded Rubber Scales (Includes Black Paracord - 1/8" Diameter)• Tail Jimping: Provides for better traction in reverse grip• Includes Automatic Retention Sheath (1.7 oz...HKP-21283$169.95 -
On Sale
HK SP5K Bolt Carrier - Semi Auto
RCM
Now: $170.96Was: $189.95RCM HK SP5K Semi Auto Carrier SP5K semi-auto carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K specs and more. Tungsten...HKP-20983Now: $170.96Was: $189.95 -
On Sale
HKP Racerback Tank - Gray
HKP HK Parts
Now: $5.60Was: $14.95HKP Racerback Tank - Gray Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this racerback is certain to catch an eye at the range! Features:HKP-21028-MNow: $5.60Was: $14.95 -
HK A3 Buttstock Protective Cover - Parkerized
H&K Heckler & Koch
$19.95H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place.HKP-20649$19.95 -
On Sale
HK45C, P30 International Holster - LH
Comp-Tac
Now: $50.97Was: $79.95Comp-Tac HK P30, HK45C International LH Holster The International is an Outside the Waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be...HKP-19611Now: $50.97Was: $79.95 -
On Sale
HK416, MR556 Rail System - 13.75" - M-LOK, Picatinny - FDE
KDG Kinetic Development Group
Now: $254.97Was: $399.95Rail System - 13.75" - Brown - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to...HKP-19243Now: $254.97Was: $399.95 -
Out Of Stock
HK G36, SL8 Roll Pin - Gas Piston
H&K Heckler & Koch
$9.95H&K HK G36, HK SL8 Roll Pin for Gas PistonHKP-16386$9.95 -
Out Of Stock
HK VP9SK Grip Panel Left Side - Thumb Rest - Medium - Black
H&K Heckler & Koch
$19.95H&K VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black New HK German manufactured. Left side medium size with thumb rest perfect for spare or for custom stippling projects. Drop-in part for your HK...HKP-18632$19.95 -
HK VP9SK, VP40SK Grip Panel Right Side - Large
H&K Heckler & Koch
$17.95H&K VP9SK, VP40SK Right Side Grip Panel - Large - Black New HK German manufactured. Left side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. CompaHKP-18301$17.95 -
HK VP40 Cocking Aid Filler Left & Right Set
H&K Heckler & Koch
$19.95H&K HK VP40 Cocking Aid Filler Left & Right Set - Black HK VP40 Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP40 pistol...HKP-17862$19.95 -
HK G3 Leather Sling - Well Used with No Loop
H&K Heckler & Koch
$39.80Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible WiHKP-20583$39.80 -
On Sale
HKP Hat - Snapback - Flat Brim - Black and Red
HKP HK Parts
Now: $10.09Was: $19.95HKP Flat Brim Snapback Hat - Black & Red Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo 100% cottonHKP-20461Now: $10.09Was: $19.95