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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HK416 A5, MR556 A4 Gas Vent Screws - 1.0-2.5mm
H&K Heckler & Koch
$31.99 - $34.95H&K MR556 A4 and HK416 A5 Gas Vent Screws German gas vent screw for MR556 A4 gas block. Specifications:HKP-22470-M$31.99 - $34.95 -
HK SEF Long Axle Selector Lever - LIKE NEW
H&K Heckler & Koch
$32.95H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like...HKP-21338$32.95 -
HK USP Jet Funnel Kit Upgrade - 9mm, .40 S&W
H&K Heckler & Koch
$72.95Heckler and Koch Jet Funnel Kit for HK USP 9mm and .40 S&W Brand new factory HK German Jet Funnel kit for the HK USP 9mm and USP .40 full-size pistols. Easy to install, no gunsmithing, or...HKP-00306$72.95 -
On Sale
HK MP5, HK94 Sling Swivel End Cap
Choate
Now: $29.56Was: $36.95Choate MP5 & HK94 End Cap and Sling Swivel Made in the USA, MP5 and HK94 end cap features an extra thick heavy-duty rubber buffer that is replaceable with a simple screwdriver. Each HK end cap also...HKP-00115Now: $29.56Was: $36.95 -
On Sale
HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly
HKP HK Parts
Now: $15.90Was: $19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for...HKP-00785Now: $15.90Was: $19.87 -
Out Of Stock
HK MP5, HK94, SP89, SP5K Magazine Body - 9mm - 30 Round - Curved
H&K Heckler & Koch
$113.95H&K 30 Round MP5, MP5K, SP5K Magazine Body Heckler & Koch factory fresh magazine housing/body from this current year's production. MP5, MP5K 9mm 30 Round curved all steel magazine body stamped "Made...HKP-18212$113.95 -
HK416, G36, Colt M4 Magazine - .22LR - 10 Round
Walther
$39.95HK, Walther, Colt, Beretta - HK416 .22 - 10 Round Magazine Impact-resistant polymer construction. Thumb-assisted loading button. Heavy-duty spring-steel mag spring. Compatible With:HKP-01747$39.95 -
On Sale
HK P30L Compensator - MOD 1
HKP HK Parts
Now: $143.96Was: $179.95HK Parts MOD 1 Compensator: H&K P30L The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you...HKP-21221Now: $143.96Was: $179.95 -
HK German Vertical Foregrip - Picatinny
H&K Heckler & Koch
$66.95HK German Vertical Grip Each HK Vertical Grip features factory HK markings & HK's unique locking system. HK's Vertical Grip has an HK-designed rock-solid attachment system that is self-contained in...HKP-00034$66.95 -
On Sale
HK Single Point Sling - Quick Detach - Black
NcSTAR
Now: $24.71Was: $29.95HKP Single Point Sling in Black - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic covHKP-19767Now: $24.71Was: $29.95 -
HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
$8.99Roller +3 - New - 8.03mm HK Parts Standard (8.03 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2...HKP-19425$8.99 -
On Sale
Receiver Shelf - Semi Auto - Billeted
Now: $15.96Was: $19.95Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the...HKP-01521Now: $15.96Was: $19.95