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 P2000, P30SK Safety Lockout
H&K Heckler & Koch
$21.95Heckler and Koch HK P2000 and HK P30SK Safety LockoutHKP-02493$21.95 -
On Sale
HK VP9, P30 UMH3 Holster - Belt Loop - LH
UM Tactical
Now: $29.95Was: $65.00UM Tactical UMH3 Belt Loop LH Holster Left-handed, belt-loop holster for pistols equipped with the UM Tactical UM3 sight mount (Not included). Unlike conventional holsters, UM Tactical's UMH3 Universal Holster grips the pistol and the UM3...HKP-17506Now: $29.95Was: $65.00 -
HK P2000 Barrel - .40 S&W - 3.62"
H&K Heckler & Koch
$239.95HK factory German P2000 .40 SW 3.62" Barrel Specifications: .40 S&W Caliber 3.62 inches Genuine Heckler and Koch PartHKP-01127$239.95 -
On Sale
HK USP Compact Lockout Device
H&K Heckler & Koch
Now: $9.95Was: $18.95HK USPC Lockout Device Easily installs to lock out the magazine. Used to comply with certain state laws and as an added safety feature. This lockout device can be retrofitted to older-style USPC's that do not have the lockout device installed. Compatible...HKP-01500Now: $9.95Was: $18.95 -
HK45, USP Compact Recoil Spring Guide Rod
H&K Heckler & Koch
$39.95HK USPC & HK45 Recoil Spring Guide Rod Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK45HKP-01411$39.95 -
HK USP Series Front Sight 7.0mm
H&K Heckler & Koch
$22.95HK USP Front Sight 7.00mm Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP HK USP Compact LEMHKP-01624$22.95 -
On Sale
HK VP9SK Holster - Compensator - LH - Odin
Odin Holsters
Now: $39.95Was: $79.95Odin Holsters HK VP9SK Comp Weight™ Compensator LH Holster The VP9SK Comp Weight™ Compensator holster is an outside the waistband that allows the HK Parts Comp Weight™ to be installed as well. For a left-hand shooter with or without out...HKP-18845Now: $39.95Was: $79.95 -
HK MR762 Buttpad - E2 Concave - Bowden Retaining Wire
H&K Heckler & Koch
$79.95German E2 Concave Buttpad with Bowden Retaining Wire Harness for HK417 and MR762 This item can be added as an option on the HK417, MR762, HK712, G28 E1 and E2 stock. The Bowden wire retainer is used to work as a lanyard for the buttpad to prevent the...HKP-18492$79.95 -
HK MR556, MR223 A5 Incomplete Upper Receiver
H&K Heckler & Koch
$489.95HK German Un-Assembled/Stripped HK MR556/MR223 A5 Upper Receiver Factory HK MR556 A5 upper receiver. This is the semi-auto MR556 variant. Compatible With: HK MR556 HK MR223 HK 416*** Need a matching lower for your build? STS416 A5 LOWER -...HKP-18785$489.95 -
HK G36 Optic Mount - 18" - Mechanical Sights
H&K Heckler & Koch
$699.95Sight Rail with Mechanical Sights - G36 Low profile rail with built-in mechanical sights. Made from aluminum. Overall length 18". Compatible With: G36 G36K G36CHKP-18729$699.95 -
Out Of Stock
HK G36, SL8 Carrying Handle - Dual Optic x3
H&K Heckler & Koch
$2,899.95HK G36, SL8 Dual Optic Rare in brand NEW condition. Brand new factory fresh HK G36/SL8 3X dual optic. In all the years, of offering HK parts and accessories...we have never been able to get brand new dual optics directly from HK Germany. Update: HK...HKP-17606$2,899.95 -
HK G36 Piston Rod
H&K Heckler & Koch
$55.95Heckler and Kock Gas Piston Rod for HK G36 A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part. Compatible with: G36HKP-16539$55.95