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 MR556, MR762, CR556 H-Key 8 Rail Segment
HKP HK Parts
$29.95HK MR556, CR556 & MR762 HKey Rail Segment - 8 Slot 8 slot picatinny rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...HKP-17844$29.95 -
HK91, G3 A2 Fixed Buttstock - Jungle Green - Surplus
H&K Heckler & Koch
$25.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus Used jungle green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be a complete stock ready...HKP-16270$25.95 -
HK91, G3, PTR Magazine - 10 Round - Aluminum
H&K Heckler & Koch
$69.9510-Round 308 Magazine For HK Rifles - Alloy Aluminum Each HK magazine is made by using a factory German HK 20-round mag, that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20-round magazines are too long and...HKP-00351$69.95 -
HK PTR91 Triple Frame Sight Tower
H&K Heckler & Koch
$49.95PTR Triple Frame/Front Sight Tower for PTR Barrels This is a German HK triple frame that has been machined to accept the larger profile of the PTR barrels. Ready to use on your PTR91 barrels. Each sight tower includes machined front sight tower to fit...HKP-16325$49.95 -
HK MP5 Parts Kit - 10mm - Pistol
HKP HK Parts
$1,879.95HKP HK Parts HK MP5 Parts Kit - 10mm - Pistol With Flat, Top Rail, and Weldment Set - 10mm HK Parts MP5 Build Kit is the best priced value available anywhere. There is a limited supply and they will be gone before you know it. The MP5 10mm parts kit...HKP-18409$1,879.95 -
HK416, MR556 AR-15 Drum Magazine - PMAG D60 - 60 Round
Magpul
$135.95Magpul PMAG D-60 60 Round AR-15 5.56/.223 Drum Magazine The PMAG D60 is a durable, lightweight, highly reliable 60-round 5.56x45 NATO/.223 Remington polymer drum magazine for AR15/M4 compatible weapons. The unique drum configuration keeps the height of...HKP-18006$135.95 -
On Sale
HK93 Wide Handguard - Short
AC-Unity
Now: $59.95Was: $78.95AC-Unity HK93 Wide Handguard - Short AC-Unity wide/short handguard, specifically designed for the HK33, HK93,HK34 and G3K. This handguard is also the perfect fit for PTR rifles utilizing the shorter HK93 length handguards. The perfect option to match up...HKP-21638Now: $59.95Was: $78.95 -
HK 90's Series Compression Rod - Titanium
HKP HK Parts
$29.95Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...HKP-20887$29.95 -
Out Of Stock
HK VP9 F3 Trigger - Full Flat Face
Lazy Wolf
$139.95LWG - HK VP9 F3 Trigger – Black Cerakote In a collaboration with Lazy Wolf Guns, HK Parts offers the finest drop-in, aftermarket triggers for your HK VP9 & VP40 handguns. Features: Made in the USA True drop-in installation using the...HKP-20818$139.95 -
HK VP9 Modular M.R.A Red Dot Adapter
Outer Impact
$55.95Red Dot Mount Adapter for H&K VP9 Pistol OuterImpact is excited to introduce the H&K VP9 pistol red dot adapter Mount-M.R.A. This product will allow the shooter to utilize a variety of red dot sights on their H&K with one...HKP-20059$55.95 -
Out Of Stock
HK G36 Magwell
H&K Heckler & Koch
$79.95H&K HK G36 Magwell - Black Factory German G36 magwell. Great for a replacement component or a critical piece of the puzzle when converting an SL8 to a G36. Compatible with factory HK and Magpul G36 magazines alike. Compatible With: HK...HKP-00625$79.95 -
HK MP5 Brace With Direct Fit Adapter
HKP HK Parts / SB Tactical
$299.95HK MP5 Brace With Direct Fit Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Made...HKP-20214$299.95