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
HK MP5K Parts Kit - .40 S&W - Pistol Build
Now: $1,463.95Was: $1,829.95HKP MP5K .40 S&W Pistol Build Kit MP5K .40 complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and...HKP-21534Now: $1,463.95Was: $1,829.95 -
On Sale
HK G36, SL8 Brass Catcher
B&T Brugger & Thomet
Now: $255.95Was: $284.95B&T HK G36 & SL8 Brass Catcher This brass catcher is expertly crafted for the HK G36. The B&T QD attachment system enables quick mounting and dismounting. For optimal compatibility, the G36 must be equipped with a B&T quad rail handguard...HKP-21530Now: $255.95Was: $284.95 -
On Sale
HK P2000 Magazine Extension Kit - +7
HKP HK Parts
Now: $51.95Was: $64.99HKP HK P2000 +7 Magazine Extension Kit This listing is for the magazine extension ONLY. This is not a complete magazine. The referenced magazine capacity is the total capacity once the extension...HKP-21527-MNow: $51.95Was: $64.99 -
Out Of Stock
HK MR762 Factory Flash Hider - 15x1 RH
H&K Heckler & Koch
$54.95H&K HK MR762 Factory Flash Hider - 15x1 RH Factory flash hider with 15x1 right-hand threads. Perfect for completing a build or replacing a worn or missing part. Compatible With: HK MR762HKP-21481$54.95 -
On Sale
HK MP7, G36 Picatinny Side Rail
B&T Brugger & Thomet
Now: $51.95Was: $57.95B&T HK G36/MP7 Picatinny Side Rail Comes with all mounting hardware. Each rail is sold individually. Compatible With: HK G36 HK MP7 Specs: 127mm lengthHKP-21419Now: $51.95Was: $57.95 -
On Sale
Exemplar Manual Folder - Clip Point 3.25"
Hogue
Now: $161.95Was: $179.95Heckler and Koch and Hogue Exemplar Manual Folder Blade: 3.25" Clip Point Blade - Stone TumbledSolid Black G10 Frame Features: Locking mechanism: able lock (ambidextrous bar lock enhanced) Frame: solid black G10 Deep carry pocket clip (right or left...HKP-21366Now: $161.95Was: $179.95 -
On Sale
Remington 700 - 30 MOA - Scope Base Long Action -Tungsten
Tactical Precision MFG
Now: $38.95Was: $76.99TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...HKP-20772Now: $38.95Was: $76.99 -
Out Of Stock
HK416, MR556 Assembly Wrench Tool
H&K Heckler & Koch
$699.95Heckler and Koch HK 416 and HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown.HKP-20616$699.95 -
HK417, MR762 Brass Catcher
H&K Heckler & Koch
$624.95Heckler and Koch MR762, HK417 Brass Catcher - Black Factory HK brass catcher designed to capture and contain spent casings during live fire on MR762, HK417, and G28 platforms. Mounts directly to a Picatinny rail section on the handguard for a stable,...HKP-19179$624.95 -
$5.95 -
Out Of Stock
HK G36 Magazine Conversion to AR-15 Magwell - RAL8000
H&K Heckler & Koch
$259.95HK G36 To AR15, M4 Magazine Conversion Magwell - RAL 8K Simply swap the magazine well from the G36 to this offering and you can then run AR15/M4 style magazine in your G36 or SL8/G36 conversion. Allows Use Of All AR15-M4 magazines in the G36 with this...HKP-17691$259.95 -
Out Of Stock
HK G36 Bolt Group Carrier - Incomplete
H&K Heckler & Koch
$495.99HK G36 Bolthead Carrier Incomplete This is not compatible with a HK SL8.HKP-16434$495.99