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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HK21E, HK11E, PSG1, MSG90 Firing Pin
H&K Heckler & Koch
$119.95HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they...HKP-01758$119.95 -
Out Of Stock
HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223
H&K Heckler & Koch
$129.95HK21E, 11E, PSG1, MSG90 Factory German HK ExtractorHKP-00250$129.95 -
HK PSG1, MSG90 Ejector Lever
H&K Heckler & Koch
$79.95Heckler and Koch Ejector Lever for HK PSG1, MSG90 German-made ejector lever for PSG1 and MSG90 platforms. Direct replacement part built to original factory-spec for reliable extraction and correct...HKP-00537$79.95 -
Out Of Stock
HK91, G3 20 Round Steel Magazine - Latest HK Production
H&K Heckler & Koch
$0.00HK 91, G3, PTR .308 20 Round All Steel Magazine - German HK HK .308 factory steel 20 round all steel magazine. Each magazine is the latest HK German manufactured. Compatible With:HKP-00542$0.00 -
On Sale
Raddlock 91/G3 (7.62x51/.308) Magazine Sled
Raddlock
Now: $9.07Was: $12.95Magazine Block for HK G3,91, PTR .308 Rifles. The Raddlock magazine block converts a mag-fed rifle to a single-shot rifle as dictated by certain restrictive states. Once installed, the rifle will...HKP-02448Now: $9.07Was: $12.95 -
HK91, G3 Trigger Housing - Double Tang 4 Position 0,1,3,F Pictogram - Clipped and Pinned
H&K Heckler & Koch
$534.95HK Heckler and Koch 4 Position 0,1,3,F Pictogram Double Tang Trigger Housing, Clipped and Pinned for HK G3 and HK91 and PTR This ambidextrous HK trigger housing features a 4 position pictogram...HKP-01515$534.95 -
HK91, G3, PTR Magazine - 5 Round - Steel
H&K Heckler & Koch
$174.95New HK German 5 Round Factory G3 and HK91 .308 Steel Magazine Factory German steel magazine. This is an original German 5 round magazine from HK, not a modified assembly/cut-down magazine. These...HKP-00220$174.95 -
Out Of Stock
HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1 RH
PTR
$163.95PTR HK 93/33 (5.56/.223) Barrel - Threaded 15x1 RH New US made Barrel by PTR for the HK93, HK33 style of firearms. Specifications: Made In The USAHKP-16458$163.95 -
On Sale
HK53 Cocking Tube - Left Hand
HKP HK Parts
Now: $63.72Was: $99.95HK53 Length Cocking Tube - For Left Handed Shooters New HK53, HK51 cocking tube made in the US. Made to the exact HK specifications as the factory HK53 German cocking tube. This is the only factory...HKP-19028Now: $63.72Was: $99.95 -
HK MP5 Trigger Housing - FBI 2 Position 0,1 Pictogram - .40 S&W, 10mm
H&K Heckler & Koch
$279.95H&K MP5 40/10 2 Position (0,1 Pictogram) FBI Style Trigger Housing - C/P This 2 position trigger housing (0,1) features FBI pictogram markings and is designed for the HK MP5 40/10 series. It comes...HKP-02696$279.95 -
Out Of Stock
HK MP5 Magazine Follower - .40 S&W, 10mm
H&K Heckler & Koch
$19.95H&K Heckler and Koch Magazine Follower HK MP5 40,10 A perfect replacement part for all HK MP5 40,10 magazines.HKP-01635$19.95 -
HK MP5K Trigger Group - Ambi Navy 3 Position 0,1,F
H&K Heckler & Koch
$2,499.95HK MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group HK German MP5K 3 Position 0,1,F Navy Ambidextrous Trigger Group For MP5K, MP5KN or MP5K PDW. New HK German manufacture. This is the real...HKP-00405$2,499.95