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 MR556 Barrel 5.56 / .223 - 16.5" - Slimline
H&K Heckler & Koch
$489.95H&K MR556 Slimline Barrel, 16.5" Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556HKP-21322$489.95 -
On Sale
.30 Cal Muzzle Brake - 3 Port - Crush Washer
Tactical Precision MFG
Now: $35.96Was: $72.99TPM Tactical Precision MFG 3 Port .30 Cal Muzzle Brake with Crush Washer This 3 port muzzle brake is made for any 5/8x24 application and comes with a crush washer. Specifications: DimensiHKP-20900Now: $35.96Was: $72.99 -
On Sale
HK VP9 Reflex Mini Sight 2.0 and Optic Plate - 8MOA - Glass Lens - Shield Sights
HKP HK Parts / Shield Sights
Now: $386.96Was: $429.95Shield Sights Reflex Mini Sight 2.0 and Optic Plate Bundle Includes: Shield Reflex Mini Sight 2.0, 8MOA, glass lens VP9 aluminum optic plateHKP-20571Now: $386.96Was: $429.95 -
Out Of Stock
HK VP Series F2 Trigger - Flat Face - Safety Tab Kit - Red
Lazy Wolf
$19.95F2 Flat Face VP Series Red Trigger Tab and Spring Set from Lazy Wolf Guns Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need...HKP-20092$19.95 -
HK VP9, VP40 Grip Panel Left Side - Medium - OD Green
H&K Heckler & Koch
$19.95H&K VP9, VP40 Left Side Grip Panel - Medium - OD Green New HK German manufactured. This grip is designed for the left side and comes in a medium size. Perfect for spare or for custom stippling...HKP-19175$19.95 -
HK SL8-1 Locking Lever Spring - Elbow
H&K Heckler & Koch
$9.95HK SL8-1 Locking Lever Elbow SpringHKP-16398$9.95 -
On Sale
HK VP9SK Compensator - Quick Detach - Brass
HKP HK Parts
Now: $89.96Was: $249.99HK VP9SK - Quick Detach Comp Weight™ / Compensator - Brass LIMITED EDITION! ONLY A SMALL NUMBER AVAILABLE The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator...HKP-18186Now: $89.96Was: $249.99 -
On Sale
HK VP40 Holster - Warrior OWB
Comp-Tac
$47.78 - $79.95Comp-Tac HK VP40 Warrior OWB Holster The Warrior Holster design offers a stealth footprint, outside the waistband carry that is perfect for OWB concealment. Easily accessible, designed for a smooth,...HKP-18998-M$47.78 - $79.95 -
On Sale
B&T APC, GHM, SPC Binary Trigger - Curved - BFSIII
FA Franklin Armory
Now: $318.72Was: $499.95Franklin Armory BFSIII B&T-C1 Binary Trigger The BFSIII™ for is a 3-position trigger. In position 3 it will fire 1 round on pull and 1 round on release. This makes it the fastest semi-automatic...HKP-18734Now: $318.72Was: $499.95 -
HK USP Series Front Sight 6.4mm
H&K Heckler & Koch
$21.95H&K HK USP Series Front Sight 6.4mm Compatible With: HK USP 9mmHKP-16546$21.95 -
On Sale
HK MP5 2-Stage Trigger Group, Complete - .40 S&W, 10mm
Timney Triggers
Now: $431.06Was: $478.95Timney Trigger group for HK MP5 .40 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand...HKP-20514Now: $431.06Was: $478.95 -
On Sale
HK33, HK53, HK93 2-Stage Trigger Group - .223 - Complete
Timney Triggers
Now: $365.96Was: $548.95Timney Trigger Group for .223 - HK93 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand...HKP-20512Now: $365.96Was: $548.95