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 MP5, MP5K Magazine - 30-Round - LEO Marked - 9mm
KCI
$52.95KCI 30 Round HK MP5, MP5K Magazine - LEO Marked KCI MP5 LEO marked magazines. Great for collectors and shooters who want the classic LEO aesthetic without paying factory-mag prices. We offer this LEO marked magazine with either "Ashburn" or...HKP-21611-M$52.95 -
HK91, G3 Vinyl Magazine Pouch - Surplus
H&K Heckler & Koch
$4.95Green Vinyl Plastic Rubberized Double Magazine Pouch from Surplus for HK91 and HKG3 This mag pouch is German military surplus, and it is compatible with all HK91, G3, and PTR Style 20-round mags.HKP-01941$4.95 -
On Sale
HK90 Series Flash Hider - Bird Cage Style - Threaded 15x1 RH
PTR
Now: $15.95Was: $19.95PTR Bird Cage Flash Hider - Threaded 15x1 for 5.56/.223, and 7.62x51/.308 Crafted to exact Heckler and Koch specifications. Featuring the correct 15x1 RH thread, it's a perfect match for HK barrels and qualifies as one 922r compliant part...HKP-01447Now: $15.95Was: $19.95 -
On Sale
HK P30 Railok™ Compensator
HKP HK Parts
Now: $129.95Was: $189.95HK Parts Railok™ Compensator: H&K P30 The HK Parts Railok™ compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker...HKP-21110Now: $129.95Was: $189.95 -
On Sale
HK91, G3, HK93, HK33, PTR Buffer - Enhanced
HKP HK Parts
Now: $103.95Was: $129.95HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.HKP-01014Now: $103.95Was: $129.95 -
On Sale
HK Ladies Shooter Cap - Gray & Pink
H&K Heckler & Koch
Now: $6.95Was: $11.95H&K HK Ladies Shooter Cap - Gray & Pink Gray cotton twill construction with pink underbill. Low profile hat with black HK logo on front, pink stitching and "No Compromise" in pink cursive thread on the back adjustable strap. Features: 100%...HKP-17368Now: $6.95Was: $11.95 -
On Sale
HK VP9, P30 Magazine - 24 Round - 9mm
HKP HK Parts
Now: $71.95Was: $89.95HK PARTS 24 Round Complete 9mm Magazine for HK VP9, HK P30 Drop-in magazine ready to go! HK Parts takes an existing 17 round magazine and a +7 magazine extension to assemble them into a working 24 round magazine. Specifications: 6-1/6...HKP-19457Now: $71.95Was: $89.95 -
HK USP Compact Ambidextrous Control Lever Set
H&K Heckler & Koch
$74.95H&K HK USP Compact Ambidextrous Control Lever Set Includes left and right side control lever as well as the spring pin. This item can be installed on either full-size or compact pistols. The USPC Ambi set has a slightly lower profile for those who...HKP-01228$74.95 -
On Sale
HK416, MR556, HK417, MR762 Handguard Locking Screw - Stainless
HKP HK Parts
Now: $7.95Was: $9.95HKP HK Parts Handguard Locking Screw - Stainless for HK416, HK MR556, HK417, and HK MR762 Replacement handguard locking screw that secures the handguard to the upper receiver. Made in USA from 17-4 SS with a 5mm hex head. Compatible With: HK...HKP-17657Now: $7.95Was: $9.95 -
HK Rifle Cleaning Wick Set - 8 Piece Set - Universal
H&K Heckler & Koch
$1.95Original German Army Issue HK91/G3/PTR Cleaning Kit Wick - Set of 8 Originally issued for the G3,91 & MG3 firearms but will work on pretty much any and all rifles & pistols. Each set comes with 8 BRAND NEW German manufactured cleaning wicks. Each...HKP-17646$1.95 -
HK MP5, HK90 Series Roller Locking Plate - Original Style
H&K Heckler & Koch
$43.95New HK German Roller Retainer Plate for Rollers Original-style roller locking plate. 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. Compatible With: MP5*** MP5K SP89,...HKP-00065$43.95 -
On Sale
HK SP5 Grip Module - SL
Magpul
$126.95 - $152.95Magpul HK SP5 SL Grip Module HK Parts brings a solution for those that are looking to upgrade to the Magpul SL grip. Click the drop down menu to select either the clipped and pinned or push pin options. This is a perfect option for those wanting improved...HKP-20574-M$126.95 - $152.95