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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On Sale
HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly
HKP HK Parts
Now: $14.95Was: $19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for all HK collectors and shooters. This is the original...HKP-00785Now: $14.95Was: $19.87 -
On Sale
HK MP5SD Front Sight Tower with Cocking Tube End Cap
HKP HK Parts
Now: $55.95Was: $69.95HKP MP5SD Front Sight Tower With Cocking Tube End Cap MP5SD Front Sight Assembly Complete - USA MP5SD fashioned front sight tower with cocking tube end cap machined as one solid billeted piece. Never before offered and the finest MP5SD front sight...HKP-17834Now: $55.95Was: $69.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote - Heckler and Koch
H&K Heckler & Koch
$85.95 - $95.95Heckler and Koch MP5, SP5, SP5K, MP5K 9mm 30 Round Curved Magazine Factory fresh Heckler and Koch 30 round, curved 9mm. When only the best will do. Each magazine starts life as a brand-new, factory-sealed magazine, which is then expertly Cerakoted in...HKP-19979-M$85.95 - $95.95 -
HK SEF Long Axle Selector Lever - LIKE NEW
H&K Heckler & Koch
$32.95H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...HKP-21338$32.95 -
On Sale
HK MP5K, SP5K Folding Stock with HKP Adapter - UMP Style
B&T Brugger & Thomet
Now: $267.95Was: $297.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock H&K German polymer folding stock with a B&T adapter for HK MP5K. 100% Swiss and German HK made. This is a military grade stock. B&T Switzerland has supplied these to law enforcement and...HKP-16944Now: $267.95Was: $297.95 -
HK VP9, USPC, P Series Magazine Housing - 15 Round
H&K Heckler & Koch
$47.95H&K 15 Round HK VP9/USPC/P Series Magazine Housing Brand new HK German factory magazine body for the 15 round 9mm magazine. Will also work with the 17 round and 20 round magazine components. This mag body is marked with the 1-15 round witness holes...HKP-16655$47.95 -
On Sale
Ergo Rail Cover
Ergo
Now: $4.95Was: $8.95Ergo Rail Cover Protect your investment with these attractive low-profile "Ladder" rail protectors. Features: Ladder Panels offers low-profile 1913 Picatinny rail coverage Easy clip-on/off installation Provides a very low-profile grip Protects the...HKP-13514Now: $4.95Was: $8.95 -
HK MP5K Trigger Housing - SEF Navy - Push Pin - 9mm - LIKE NEW
H&K Heckler & Koch
$99.95Heckler and Koch MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - LIKE NEW HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push pin firearms that do not require a clipped and pinned...HKP-20576$99.95 -
HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
$8.99Roller +3 - New - 8.03mm HK Parts Standard (8.03 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...HKP-19425$8.99 -
On Sale
HK P30L Compensator - MOD 1
HKP HK Parts
Now: $143.95Was: $179.95HK Parts MOD 1 Compensator: H&K P30L The HK Parts MOD 1 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. Each MOD 1 comp includes...HKP-21221Now: $143.95Was: $179.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - RAL8000
H&K Heckler & Koch
$98.99New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Factory Heckler & Koch 9mm, 30-round magazine finished in RAL8000. These magazines are painted by the factory in Germany. Compatible With: MP5,...HKP-19354$98.99 -
HK91, G3 Wood Buttstock - Surplus
H&K Heckler & Koch
$119.95HK German G3, 91, & PTR Wood Stock Complete - USED These stock sets were in use with the German military and are used in varying degrees of condition, ranging from good to very good shape overall. These are rare and are getting harder to...HKP-02554$119.95