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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JMac 14F, 15F, 24F, 26F Muzzle Device Shims - FaceMount
JMAC Customs
$9.95JMac Customs Metric Face Mount Shims Custom shims for JMac muzzle devices. This kit includes varying thickness shims to "time" your muzzle device to your desired orientation. These shims are specifically made for JMac 14F, 15F, 24F and 26F muzzle devices...$9.95 -
HK MP5SD 9mm Locking Piece - 120 Degree
RCM
$34.95MP5SD 120 Degree Locking Piece - US This locking piece is a US made version of the factory German MP5SD 120 degree locking piece. This was the German locking piece that was marked #5 when HK Germany used to make them. Each locking piece is made here in...$34.95 -
HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style
H&K Heckler & Koch
$64.95H&K Magazine Catch - Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds. Constructed from a single piece of steel unlike the...$64.95 -
HK416, MR556 Magazine - 30 Round - Maritime
H&K Heckler & Koch
$94.95HK 416 & MR556 30 Round Maritime Magazine - Multiple Color Options Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon, the Heckler & Koch 30-round Steel Magazine can be used in any firearm that...$94.95 -
Out Of Stock
HK USP Magazine - 20 Round - 9mm
HKP HK Parts
$89.95HKP 20 Round HK USP/Tactical 9mm Magazine HK USP 9mm Tactical +5 magazine extension paired with a new full-size HK USP 9mm & USP 9mm Tactical 15-round magazine. This part is ideal for competitive shooters, concealed carry, or everyday use while at...$89.95 -
Out Of Stock
HK USP Full Size Ambidextrous Control Lever Set
H&K Heckler & Koch
$117.95Ambidextrous Left & Right Side Control Lever Set. Genuine Heckler & Koch ambidextrous control lever kit includes left and right side control lever as well as the roll pin - everything that's needed for installation on all USP or USPC...$117.95 -
HK416, MR556 Ejection Port Cover - FDE
H&K Heckler & Koch
$59.95HK German HK 416, MR556 Ejection Port Cover In FDE HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556's. This item can also be used on other AR15 style projects to enhance the build with the finest ejection port...$59.95 -
HP Roller +5 - New - 8.05mm
HKP HK Parts
$8.99Roller +5 - New - 8.05mm HK Parts Standard (8.05 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 (pair) for a complete set for the bolt head. An easy way to...$8.99 -
HK417, MR762 Magazine - 10 Round
H&K Heckler & Koch
$59.00HK MR762, HK417 10 Round Magazine - German HK Genuine HK German 10 round MR762 magazine. Compatible With: MR 762 HK 417 HK G28$59.00 -
Uzi Top Cover Complete - Surplus
IMI
$24.95Uzi Top Cover Complete - Surplus IMI Uzi SMG top cover surplus. Perfect working condition.$24.95 -
HK P2000SK Magazine Floorplate - 9mm / .40 S&W - 9,10 Round - Low Profile
H&K Heckler & Koch
$24.95New HK German P2000 SK Magazine Flat Floor plate Low profile style without the finger rest and best for concealed carry or a low profile. This is the perfect upgrade for those who want a slim profile and less obtrusive effect when carrying...$24.95 -
On Sale
HK91, G3, AP51 Magazine - 20 Round - Translucent
MKE
Now: $20.76Was: $25.95MKE HK G3/91, AP51 20 Round Translucent Magazine Constructed from high-strength, lightweight polymer, this magazine offers exceptional durability while allowing for instant visual ammo checks thanks to its clear body design. Whether you're training, on...Now: $20.76Was: $25.95