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 G36, SL8 Bipod
H&K Heckler & Koch
$449.95New HK G36 & HK SL8 Factory Bipod Heckler & Koch German made. Manufactured with steel-reinforced HK composites. Compatible With: HK G36 HK SL8-6 Newer black rifles or the SL8-1 with a proper forearm HK G36K - Must be an early style that has a...HKP-00270$449.95 -
On Sale
HK UMP, USC Recoil Rod Assembly, Complete - US Made
HKP HK Parts
Now: $47.95Was: $59.95HKP HK Parts Complete Recoil Spring and Rod Assembly for USC, UMP 45/40/9mm New USA made recoil assembly complete. Our design allows for easy repair and replacement of the recoil spring itself without replacing the entire recoil assembly as found on the...HKP-17989Now: $47.95Was: $59.95 -
HK91, G3 Rear Sight Drum - Used
H&K Heckler & Koch
$4.95HK German Rear Sight Drum For .308/7.62 - Used Used surplus genuine Heckler & Koch German manufactured product. Rare and hard to find. Most come in good shape but could use a good refinish. Used and range from good - exc shape. Compatible With: HK...HKP-18093$4.95 -
Barrel Chamber Flute Cleaning Brush - 5.56 / .223
H&K Heckler & Koch
$29.95New HK German .223/5.56 Chamber Flute Cleaning Brush This item is ideal to have on hand for cleaning the flutes of the barrel. The flutes have to remain clean for the rounds to be extracted properly.HKP-00464$29.95 -
On Sale
HK MP5, 90 Series Locking Plate for Rollers
USA
Now: $3.95Was: $8.95Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...HKP-99399Now: $3.95Was: $8.95 -
On Sale
HK MP5 Recoil Spring
MKE
Now: $7.95Was: $10.99MKE HK MP5 Recoil Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible With: HK MP5 Century Arms AP5 Clones & custom buildsHKP-22239Now: $7.95Was: $10.99 -
On Sale
HK VP9A1 F Compensator - MOD 1
HKP HK Parts
Now: $143.95Was: $179.95HKP HK VP9A1 F MOD 1 Compensator The HKP MOD 1 compensator is designed to reduce muzzle rise and improve shot-to-shot recovery while maintaining a clean, integrated look. Each unit includes both the rail mount for light and laser compatibility and a...HKP-22077Now: $143.95Was: $179.95 -
Out Of Stock
HK MP5K, SP5K ACR Stock with Adapter
Magpul
$579.95HK SP5K ACR Stock Our aircraft-grade aluminum SP5K ACR adapter is now offered in this combo stock unit. Pre-installed and ready to drop in. With this SP5K ACR combo stock you will add the capability of an adjustable cheek rest and length of pull...HKP-20826-M$579.95 -
HK MP5, MP5K Trigger Pack - Ambi - Semi-Auto
HKP HK Parts / Heckler & Koch
$299.95H&K MP5/K 9mm Semi-Auto Ambidextrous Trigger Pack Each Trigger pack is fully assembled and ready to drop in your Ambi FBI, Navy pictogram housing. All parts are German HK with the exception of the trigger pack box and the 9mm ejector lever...HKP-19867$299.95 -
On Sale
HK VP9, P30, HK45C Front Sight - Vickers Elite - Green
Wilson Combat
Now: $33.95Was: $39.95Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Green Snag Free Front Sight, Green Fiber Optic, Vickers Elite for H&K® .225" Compatible With: HK VP9, HK VP9SK, HK VP40 HK45 Compact, HK45CT HK P30 9mm or .40 HK P30L 9mm or .40 HK...HKP-18379Now: $33.95Was: $39.95 -
HK33, HK33K, HK93 Recoil Spring
H&K Heckler & Koch
$8.95HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33K Clones or other custom buildsHKP-02097$8.95 -
On Sale
HK33, HK53, HK93 Locking Piece # 8 - 53 Degree
RCM
Now: $41.95Was: $49.95RCM HK 93/53/33 # 8 Locking Piece 53 Degree New 53 Degree #8 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A pefect upgrade for your well used or questionable C93 or C93P...HKP-16555Now: $41.95Was: $49.95