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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Out Of Stock
HK G36, SL8 Optic Mount, Carry Handle - Picatinny Rail - New Style
H&K Heckler & Koch
$274.99HK German HK SL8 & G36 Picatinny Scope With Rail/ Carry Handle This is the perfect mounting solution for optics. Made from the highest quality combat grade aluminum with a hard coat anodized black...HKP-01878$274.99 -
HK G36, SL8 Bolt Head Ejector - USA
$13.95HK G36/SL8 Ejector For All G36, SL8 bolts -US MadeHKP-18371$13.95 -
HK91, G3 Buttstock Set with Backplate - Black - Used Good
H&K Heckler & Koch
$299.95Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition...HKP-16205$299.95 -
HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel
H&K Heckler & Koch
$349.95HK 91, G3, PTR Shooter Pack - 36 Quantity 20 Round Magazines All STEEL MAGS - RARE!!! For all those shooters or collectors out there this is the deal for you. For a limited time or while supplies...HKP-17390$349.95 -
HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1
RCM
$234.95RCM HK 33/93 (5.56/.223) Barrel - Threaded 15x1HKP-01052$234.95 -
Out Of Stock
HK MP5K, SP89 Trigger Housing - FBI Style - 2 Position Pictogram 0,1 Pictogram - Clipped and Pinned - 9mm
H&K Heckler & Koch
$245.95H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned This clipped and pinned trigger housing is modified to fit MP5K or SP89 housings. It accommodates all HK...HKP-00402$245.95 -
HK MP5, HK90 Series Extended Selector Lever - Left Side ESSL - Ambi Burst Trigger packs
H&K Heckler & Koch
$94.95Heckler and Koch Extended Selector Lever - Burst 3 Position Brand new, genuine German HK extended ambi left side safety selector with axis for all ambidextrous burst lowers. This is a LEFT side...HKP-16973$94.95 -
HK G36C Apparel - Hats, Patches, and Shirts
HKP HK Parts
$0.00HKP HK G36C Apparel and Patch Collection Represent your platform with the HK Parts G36C Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean,...HKP-22456-M$0.00 -
HK MR556 A4 13.4" Complete QD Handguard
H&K Heckler & Koch
$534.95H&K MR556 A4 13.4" Complete QD Handguard Genuine H&K MR556 A4 quick detach handguard has a Picatinny rail at 12 o’clock, M-LOK slots at 3, 6, and 9 o’clock, and two QD sling swivel cups for...HKP-22184$534.95 -
HK CC9 Disassembly Lever - Takedown Lever
H&K Heckler & Koch
$19.95H&K CC9 Disassembly Lever Made in Germany, this CC9 disassembly lever allows removal of the slide assembly from the frame for maintenance and cleaning. Compatible With: HK CC9HKP-22105$19.95 -
On Sale
HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special
USA
Now: $44.96Was: $289.95HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special Unfinished US-Made MP5K .357 Sig barrel. Please Note: Will require work before being functional. HKP recommends the work be...HKP-99177Now: $44.96Was: $289.95 -
HK USP Detent Plate - V1, V2
H&K Heckler & Koch
$14.99H&K USP V1/V2 Detent Plate Detent plate for full-size USP pistols. Used to convert or configure the pistol to Variant 1 (left-side safety/decocker) or Variant 2 (right-side safetyHKP-21982$14.99