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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
Russian GP-5 Gas Mask Kit - Soviet Military - New
Now: $13.95Was: $19.95Russian GP-5 Gas Mask Kit, New - Soviet Military New Soviet civil guard gas mask kit. Civil guard kits are the same as Russian military GP-5 gas masks but have a grey mask instead of military black. This type of gas mask was stored by the Soviets for the...Now: $13.95Was: $19.95 -
HK MP5, MP5K Thread Protector - 9mm - 1/2x28 RH
HKP HK Parts
$14.95HKP/H&K MP5/K 9mm Thread Protector - Threaded 1/2x28 RH This US-made thread protector is specifically designed for HK MP5, MP5K, and threaded barrel applications. Ideal for MP5, MP5-N, and MP5K-N style barrels, it is the factory-correct protector for...$14.95 -
Kaw Valley Precision 9mm Mach 3-Lug Mount
Kaw Valley Precision
$89.99Kaw Valley Precision 9mm Mach 3-Lug Mount The Kaw Valley Precision MACH 3-Lug Mount is a fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common...$89.99 -
HK Standard Stock Buttpad - OD Green - Surplus
H&K Heckler & Koch
$2.95H&K Standard Stock Buttpad - OD Green - Surplus HK German manufactured surplus A2 style stock buttpad in dark OD green. Used in fair condition. Compatible With: G3 & HK91$2.95 -
HK91, G3, PTR Dual Magazine Clamp
HKP HK Parts
$29.95HK91, G3, PTR - .308/762 Dual Mag Clamp The HK91, G3 magazine grip or dual magazine clamp. Holds two magazines together for ease of use and easy access to 2 magazines. Half the weight of the factory mag clamp. HK Parts highly recommends this mag...$29.95 -
HK VP9, P30, USPC, P2000 Magazine Follower - 9mm / .40 S&W
H&K Heckler & Koch
$9.95HK VP, P30, USPC, & P2000 9mm/.40 S&W Magazine Follower This is a great replacement item and one that is good to have on hand for spares as they wear with use. Compatible With: HK VP9, VP9SK, VP40 9mm & .40 P30,...$9.95 -
HK G36 Magazine - 30 Round
Magpul
$27.95Magpul 30 Round HK G36 5.56/.223 Magazine The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36 magazines...$27.95 -
On Sale
HK VP9 Gen 1 V2 Rail Mount Compensator
HKP HK Parts
Now: $99.95Was: $169.95HKP HK VP9 Gen 1 V2 Rail Mount Compensator *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.* Specifications: Length: 4 1/4 inches Height: 2 1/2...Now: $99.95Was: $169.95 -
HKP 9mm Vented Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 1/2x28 RH The HK Parts Micro Comp and Thread Protector is designed to be lightweight and functional as both a compensator and thread protector. The HK Parts Micro Comp easily attaches to the end of any factory spec...$29.95 -
HK91, G3 Weldment Set Complete
HKP HK Parts
$79.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...$79.95 -
HK USPC, P30 Magazine Adapter
X-Grip
$15.95X-Grip HK USPC/P30 Magazine Adapter The XGRIP HKUSPC is a new patent pending OEM factory accessory for the HK USP Compact that enhances the versatility, look, and feel of the gun. Features: Versatility: Size of a Compact, capacity of a Full-size The...$15.95 -
HK Spring Clip
USA
$1.95Replacement Spring for HK style push pin - Small A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in...$1.95