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
HK416, MR556, HK417, MR762 Pistol Grip with Tools - RAL8000
H&K Heckler & Koch
$159.95Heckler and Koch's Pistol Grip With Tools - RAL 8000 HK German grip with HK tools stowed in the grip's storage compartment. Finish your HK build with our favorite grip or upgrade your AR-15 platform...HKP-21462$159.95 -
HK MP5, HK94, SP5 Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
$849.95Franklin Armory BFSIII HK-C1 - Trigger Group For MP5, SP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with Franklin Armory binary trigger pack and a Magpul MOE grip to...HKP-20642$849.95 -
On Sale
HK MP5, MP5K Trigger Pack - Ambi - Semi-Auto
HKP HK Parts / Heckler & Koch
Now: $269.96Was: $299.95H&K MP5/K 9mm Semi-Auto Ambidextrous Trigger Pack Each Trigger pack is fully assembled and ready to drop in your Ambi FBI, Navy pictogram housing. All parts are German HK with the exception of the...HKP-19867Now: $269.96Was: $299.95 -
HK P30, P2000 Trigger Bar Detent Spring
H&K Heckler & Koch
$5.95HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30LHKP-01799$5.95 -
HK USPC HD Night Sight - Orange, Green
Trijicon
$152.95Trijicon HK USPC HD Night Sight - Orange/Green The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in photoluminescent paint, while the rear...HKP-14534$152.95 -
HK UMP Magazine Spring - .40 S&W - 30 Round
H&K Heckler & Koch
$8.95HK UMP .40 30 Round Magazine Spring Perfect for spares and to have on hand as these are consumable high-wear items. Compatible With:HKP-02742$8.95 -
Barrel Chamber Flute Cleaning Brush - 5.56 / .223
H&K Heckler & Koch
$29.95New HK German .223/5.56 Chamber Flute Cleaning Brush This item is ideal to have on hand for cleaning the flutes of the barrel. The flutes have to remain clean for the rounds to be extracted properly...HKP-00464$29.95 -
HK CC9 Front Night Sight
H&K Heckler & Koch
$53.95H&K CC9 Front Night Sight Front tritium night sight for the H&K CC9 pistol. Provides improved visibility in low-light conditions.HKP-22143$53.95 -
On Sale
HK G36, HK33 Flash Hider - KeyMount, KeyMicro - Threaded 15x1
JMAC Customs
Now: $87.98Was: $109.95JMAC HK G36/HK33 (5.56/.223) Flash Hider KeyMount (KeyMicro) - Threaded 15x1 In order to use this device with a suppressor it must be installed by a professional to ensure it is properly mounted and...HKP-21255Now: $87.98Was: $109.95 -
On Sale
Glock 9mm +3 Magazine Extension
Tactical Precision MFG
Now: $12.35Was: $39.95TPM Glock 9mm +3 Magazine Extension This extension is made from machined 6061 aluminum. This magazine extension will increase the capacity, reload speed, mag drops, and overall functionality of your...HKP-21136-MNow: $12.35Was: $39.95 -
Out Of Stock
HK MP5, HK53, HK53, G3 Contract Housing - 3 Position S,U,O Pictogram - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308 - Like New
Other
$119.95HK MP5, HK93 HK53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - Like New Upgrade your HK93 or HK53 with this S,U,O polymer lower housing, a...HKP-20031$119.95 -
On Sale
Glock 17 Magwell - Gen 4
HKP HK Parts
Now: $7.46Was: $47.96HKP Glock 17 Gen 4 Magwell The perfect addition to your Glock 17 firearm, the HK Parts magwell will help keep the users hand in place while shooting. Installation is simple with an allen wrench, no...HKP-19141Now: $7.46Was: $47.96