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, MR556, HK417, MR762 Buffer Retaining Pin
H&K Heckler & Koch
$15.95Heckler and Koch HK MR556, HK MR762, 416/417 Buffer Retaining Pin New HK German proprietary HK designed buffer pin unique to the HK 416 and MR 556 series. Compatible With: HK416, MR556 HK MR762 HK M27HKP-02544$15.95 -
HK MP5, 90 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: HK MP5*** HK...HKP-00065$43.95 -
HK90 Series Trigger - Billeted - USA
HKP HK Parts
$45.95HKP Trigger - 90 Series - Billeted - USA HKP US 90 Series trigger made from the best quality billet steel. It will fit all 0,1, and SEF-style trigger packs. Each part counts as one US-made compliant part needed for builds and conversions for US...HKP-00380$45.95 -
HK90 Series Flash Hider - Bird Cage Style - Threaded 15x1 RH
PTR
$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-01447$19.95 -
HK VP9 Optic Plate - Holosun EPS - Red Dot Pistol Mount
HKP HK Parts
$49.95HKP HK VP9 Holosun EPS Optic Plate Each plate is CNC machined from a solid billet of ordnance grade steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2 X T20 steel Torx Plus screws for mounting the...HKP-21333$49.95 -
HK Parts 2 Point Operator Sling
HKP HK Parts
$19.95HKP HK Parts 2 Point Operator Sling 2 point sling similar to the popular Magpul style sling. Made to last and a great sling for the money. Not set up for use on the HK style rifles unless you add AR15/M4 style attachment points for the 2 points of the...HKP-15375$19.95 -
HK Universal Magazine Spring - Extended
HKP HK Parts
$11.95Universal Extended Magazine Spring For HK Parts Extensions. This universal extended magazine spring fits most of our extensions from the VP9 to the Mark 23 extension kits. These are also the correct replacement spring for the +7 and +10 VP9 extensions. A...HKP-20324$11.95 -
Out Of Stock
HK416, MR556 Trigger Guard - A5 Style
HKP HK Parts
$39.95HKP 416 & HK MR556 HK416A5 Style Trigger Guard Now you can upgrade your MR556, 416 & CR556 to the latest Gen HK 416 A5 Enhanced Trigger Guard. Fully assembled and ready to drop in. With a larger trigger guard area you can now use gloves...HKP-17793-M$39.95 -
HK Rear Sight Spare, Repair Kit
H&K Heckler & Koch
$24.95H&K Rear Sight Spare, Repair Kit New factory German HK rear diopter sight spare parts, repair kit. Brand new factory German manufacture. Not used surplus parts brand new factory fresh German HK parts. Includes: 2 X Rear sight ball bearings 2 X Rear...HKP-16976$24.95 -
HK MP5 9mm SEF Navy Style Trigger Housing - Clipped and Pinned - USED
H&K Heckler & Koch
$89.95H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...HKP-19787$89.95 -
HKP 24 Round HK VP9, P30 9mm Complete Magazine
HKP HK Parts
$89.9524 Round Magazine Complete - 9mm - HK PARTS - 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. Compatible With: HK VP9, VP9...HKP-19457$89.95 -
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