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 StockOn Sale
HK VP9 Micro Comp - Threaded 1/2x28
HKP HK Parts
Now: $39.95Was: $49.95HKP 9mm Micro Comp - Threaded 1/2x28 RH Enhance your 9mm pistol with this precision-engineered Micro Compensator. Threaded 1/2x28, this micro comp is designed to reduce recoil and muzzle rise, improving your shooting accuracy and control. Its...HKP-18029Now: $39.95Was: $49.95 -
On Sale
HK91, G3 Complete Bolt Head - Enfield HK Contract - Used
H&K Heckler & Koch
Now: $129.95Was: $179.95HK G3 & HK 91 & PTR Bolt Head Complete - British Enfield - Exc/Like New Made On HK tooling & prints in the Enfield factory in Britain in 1988. Each bolt head is complete with the bolt head parts installed & 100% functional. Removed from...HKP-18423Now: $129.95Was: $179.95 -
HK MP5, HK90 Series Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...HKP-17980$4.95 -
Out Of Stock
B&T Sling Attachment Loop - Universal
B&T Brugger & Thomet
$7.95B&T Sling Attachment Loop Swiss-made B&T sling loop for attaching slings to sling eyelets on firearms. B&T made but compatible with any sling with a clip and firearm with a sling loop or other mounting provision.HKP-21734$7.95 -
On Sale
HK USP Compact . 45 ACP Compensator
HKP HK Parts
Now: $151.95Was: $189.95HKP HK USP Compact . 45 ACP Compensator The HK Parts USPC .45 Compensator will add a sleek and tactical look to your USPC.45. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...HKP-20975Now: $151.95Was: $189.95 -
On Sale
HK MP5, G3, HK93 Grip Wrap - Rubber - Navy Style Lower
Talon Grip
Now: $16.95Was: $19.99Talon Grip HK Navy Style Rubber Grip Wrap - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The...HKP-20229Now: $16.95Was: $19.99 -
On Sale
HK USPC HD Night Sight - Orange, Green
Trijicon
Now: $129.95Was: $152.95Trijicon HK USPC HD Night Sight - Orange/Green The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in photoluminescent paint, while the rear sight is outlined in black and features a wider U-shaped...HKP-14534Now: $129.95Was: $152.95 -
HK416, MR556, HK417, MR762 Pistol Grip - V1
H&K Heckler & Koch
$79.95H&K 416/417 & MR556/762 V1 Battle Grip - Black This is a great upgrade for any AR15, M16/416 platform. New factory German HK manufacture. Compatible With: HK 416/MR556 HK 417/MR762 HK M27 HK G28 AR-15, M4, & M16 PlatformsHKP-01023$79.95 -
HK90 Series Compression Rod for Burst Trigger Packs
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
On Sale
HK VP9L, VP9 Match International Holster - Button Comp Carry
Comp-Tac
Now: $67.95Was: $79.95Comp-Tac HK VP9L/VP9 Match International Button Comp Carry Holster At last a custom made Comp-Tac international OWB holster for your HK pistol that allows you to have the rail mount compensator, comp weight, or match weight installed. Manufactured by...HKP-20114-MNow: $67.95Was: $79.95 -
HK45, HK45C, USP, USPC Detent Plate - V1, V2
H&K Heckler & Koch
$18.95Detent Plate For V1 & V2 This will provide the safety and decocking functions for both the left and right side selector levers for the HK pistols below. Compatible With: USP Full Size, USPC Pistols in all Calibers 9mm, .357, .40 & .45 HK45...HKP-01171$18.95 -
On Sale
HK VP9SK Compensator - Quick Detach - Steel
HKP HK Parts
Now: $96.95Was: $199.95HKP HK VP9SK Comp Weight™ Quick Detach Compensator Easy on, easy off- Quick Detach technology. The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol frame...HKP-18376Now: $96.95Was: $199.95