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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On Sale
HK UMP 4 Prong Ported Flash Hider
HKP HK Parts
Now: $39.95Was: $49.95HKP HK UMP 4 Prong Ported Flash Hider 4-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...HKP-21578Now: $39.95Was: $49.95 -
On Sale
HK34 9mm Pistol Build Kit - Navy Binary
HKP HK Parts
Now: $1,869.95Was: $2,199.95HK34 9mm Pistol Build Kit - Navy Binary Just when you thought all permutations of roller-lock kits had been exhausted, HK Parts brings you the HK34. The HK34 strikes a balance between the shoot-ability of a pistol caliber with the versatility of a rifle...HKP-21482Now: $1,869.95Was: $2,199.95 -
Out Of Stock
HK MP5, HK33, HK91 Take Down Pin - Push Button - Large
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...HKP-21388$24.99 -
HK G36 C-Mag System - 100 Round Drum
Beta C-Mag
$839.95The Beta Company 100 Round Beta C-Mag Kit for HK G36 These drums are designed with clear back covers to enable you to see your round count. This magazine is the top-of-the-line package from The Beta Company. This works in any weapon...HKP-21205-M$839.95 -
On Sale
Flash Hider .22 Cal - Titanium - Silver
Tactical Precision MFG
Now: $44.95Was: $88.99TPM Tactical Precision MFG Flash Hider .22 LR - Titanium This titanium tri-port muzzle brake reduces recoil, muzzle rise, and hides the flash. Dust does not kick up due to three offset front ports. Full automatic capable. Less than 1" of rise with a 30...HKP-20778Now: $44.95Was: $88.99 -
HK53 A3 German Parts Kit
H&K Heckler & Koch
$6,799.95HK German HK53 A3 Factory Parts Kit Complete Minus The Demilled Receiver Includes: HK German desirable 1/7 twist factory cold hammer forged barrel HK ambidextrous 2 round burst trigger group Factory HK 53 wide forearm 4 prong factory flash...HKP-20729$6,799.95 -
On Sale
HK VP9B International Holster - Coyote Brown
Comp-Tac
$59.95 - $71.95Comp-Tac HK VP9B International Holster - Coyote Brown 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 worn at 3:00 this holster is perfect...HKP-19683-M$59.95 - $71.95 -
HK416, MR556 Handguard Front Sight - Folding
H&K Heckler & Koch
$134.95HK Heckler and Koch Folding Front Sight for HK416, and HK MR556 Handguards German HK built in folding front sight for the forearms and handguards.HKP-19462$134.95 -
On Sale
HK G36C Handguard - Handstop and Heatshield
HKP HK Parts
Now: $95.95Was: $119.95HKP HK G36C Handguard with Hand Stop and Heat Shield New handguard with heat shield and hand stop fits all HK G36C's or SL8/G36 conversions sized for the G36C barrel. Each unit also features the hand stop with sling attachment points. Hard mounting...HKP-19302-MNow: $95.95Was: $119.95 -
HK SL8-1 Front Sight Holder - Incomplete
H&K Heckler & Koch
$34.95Heckler and Koch HK SL8-1 Incomplete Front Sight Holder Front sight holder component for the HK SL8-1 rifle. This is an incomplete assembly and may require additional parts to restore full front sight function. Suitable for repair projects or as a base...HKP-16358$34.95 -
HK VP9SK, VP40SK Backstrap - Large - OD Green
H&K Heckler & Koch
$9.95H&K VP9SK, VP40SK Back Strap - Large - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18970$9.95 -
HK VP9SK, VP40SK Backstrap - Large - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Large - Gray New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18972$29.95