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
Bolt Knob - Acorn - Bronze
Tactical Precision MFG
Now: $14.96Was: $37.99TPM Acorn Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5&PriHKP-20904Now: $14.96Was: $37.99 -
On Sale
Remington 700 - 30 MOA - Scope Base Long Action -Tungsten
Tactical Precision MFG
Now: $29.21Was: $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...HKP-20772Now: $29.21Was: $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...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...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 -
On Sale
HK MP5 Pistol Stabilizing Brace - SBA4 - FDE
SB Tactical
Now: $188.03Was: $294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace - FDE MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This...HKP-20352Now: $188.03Was: $294.95 -
On Sale
HK P30SK Grip Wrap for Small Backstraps - Granulate
Talon Grip
Now: $18.00Was: $19.99TALON Grip - H&K P30SK - Granulate Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence...HKP-20240Now: $18.00Was: $19.99 -
HK MP5K Trigger Housing - SEF Navy Style - Clipped and Pinned - .40 S&W, 10mm
H&K Heckler & Koch
$179.95H&K MP5K 40,10 SEF Navy Style Housing - Clipped and Pinned New factory German housing that has the cutout for the bolt hold open found on the MP5 40,10 firearms. Specifications:HKP-20108$179.95 -
HK MP5 Parts Kit - RS Reverse Stretch - .40 S&W
HKP HK Parts / Heckler & Koch
$1,689.95HKP HK Parts and Heckler & Koch Reverse Stretch Pistol Build Kit - for HK MP5 .40 - Complete German and USA Made Parts MP5 .40 Reverse Stretch parts kit complete with all the parts needed for an MP5...HKP-19819$1,689.95 -
On Sale
HK VP9 Holster - Infidel Ultra - LH
Comp-Tac
Now: $60.53Was: $94.95HK VP9 Infidel Ultra Holster - Left Hand The Infidel Ultra Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00...HKP-17489Now: $60.53Was: $94.95