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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HK33, HK93 A2 Buttstock - Surplus
H&K Heckler & Koch
$99.95H&K HK33/HK93 A2 Black Buttstock - Surplus HK33 complete surplus buttstock assembly in good condition. In perfect working order but will have signs of use. This is the original buttstock for the HK33A2. Compatible With: HK33 HK93 HK53 V33, 53, C93HKP-20133$99.95 -
HK P7M8, P7M10, P7M13 Night Sights
Meprolight
$109.95Meprolight P7M8, P7M13, & P7M10 Night Sight Front & Rear Set Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination...HKP-01905$109.95 -
HK91, G3 Bolt Group, Complete - Full Auto - Used
H&K Heckler & Koch
$259.95Heckler and Koch Factory German Full Auto Bolt Group - Complete Used for HK G3, HK91, and PTR Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a direct replacement of all HK G3, HK91, SAR3/8, PTR-91,...HKP-00356$259.95 -
Out Of Stock
HK91, G3 Shell Deflector - Weld On
H&K Heckler & Koch
$18.95New HK German G3, 91, PTR91 Steel Case Deflector - Weld On This steel weld-on addition for the G3 military rifle was developed to help fellow soldiers from hitting each other with hot spent brass and deflect the brass forward of the shooter at...HKP-12747$18.95 -
HK MP5, HK94, MP5K, SP5K Tac Latch
Other
$69.95New Tac Latch (latest Generation) Paddle Style Magazine Release For The HK94, SP89, HK SP5K Family of Firearms HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto...HKP-02792$69.95 -
HK CC9 Holster - Comp Carry - RH
Comp-Tac
$59.95Comp-Tac HK CC9 Comp Carry Holster - Right Hand Designed for the HK CC9 with the HK Parts MOD 1 compensator, this holster offers a secure fit, smooth draw, and adjustable cant and ride height for optimal comfort and performance during concealed...HKP-22096$59.95 -
HK416, MR556, HK417, MR762 Selector Lever Clamping Sleeve - Ambi
H&K Heckler & Koch
$5.95H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve German H&K factory clamping sleeve for ambidextrous selector levers on MR556, MR762, HK416, and HK417. Compatible With: HK MR556 A1/A4 HK416 HK MR762 A1/A4 HK417HKP-22062$5.95 -
Out Of Stock
Thread Protector - 9mm - Enhanced - 13.5x1 LH
HKP HK Parts
$19.95HKP HK 9mm Enhanced Thread Protector - 13.5x1 This enhanced thread protector is crafted from stainless steel and designed for 13.5x1 threaded barrels. Its unique design not only fits over and protects the crown of your barrel but also...HKP-21603$19.95 -
HK91, G3 Magazine Pouch - Used
H&K Heckler & Koch
$18.99H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used Compatible With Magazines for the Following Applications: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 Other custom HK91/G3 style builds and clonesHKP-21555$18.99 -
HK416, MR556, G36, SL8 Gas Piston
Nefarious Arms
$74.95Nefarious Arms Gas Piston for HK G36, HK SL8, HK416 and HK MR556 A great spare, upgrade, or replacement part for your HK. Includes 3 piston rings for a complete drop in replacement part. TiN coated for corrosion resistance. Compatible...HKP-21364$74.95 -
HK45 Thread Protector - .578x28 RH
HKP HK Parts
$19.95HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH U.S.-made titanium thread protector designed for .45 ACP barrels threaded .578x28 right-hand. Features a fully hooded profile that extends over the muzzle to protect exposed threads and the barrel...HKP-19514$19.95 -
HK USPC, USPCT Barrel - .45 ACP - 4.46" - Threaded 16x1 LH
H&K Heckler & Koch
$301.95H&K USPC .45 ACP Barrel - Threaded 16x1 LH This H&K USPC .45 ACP barrel features a threaded 16x1 LH design, ideal for enhancing your firearm. Made from cold hammer-forged steel with polygonal rifling, it ensures durability and precision. The...HKP-00320$301.95