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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HK91, G3, PTR Magazine - 5 Round - Used
H&K Heckler & Koch
$59.95German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1HKP-18924$59.95 -
On Sale
HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24
RCM
Now: $152.97Was: $239.95RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this...HKP-13907Now: $152.97Was: $239.95 -
QD and Sling Hook Sling Attachement
Strike Industries
$29.95Ambush QD Sling Loop The Strike Industries Ambush low profile sling loop is the lowest profile sling loop designed for the MIL-STD-1913 rail. Made of solid steel, its unique locking bar design...HKP-17381$29.95 -
HK VP9, P30, HK45 Elevated Sight Set
H&K Heckler & Koch
$50.95H&K VP/P30/HK45 Elevated Sight Set Luminescent front sight with serrated rear sight.HKP-21999$50.95 -
Out Of Stock
HK MR556 A4 Gas Block - Complete
H&K Heckler & Koch
$237.95H&K HK MR556 A4 Gas Block - Complete Factory HK MR556 A4 adjustable gas block ideal for switching between suppressed and unsuppressed firing. Compatible With:HKP-21928$237.95 -
On Sale
HK VP9 Railok™ Threaded Barrel Compensator
HKP HK Parts
Now: $97.46Was: $189.95HK Parts Railok™ Mounting System Compensator for Threaded Barrel: H&K VP9 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately...HKP-21163Now: $97.46Was: $189.95 -
On Sale
HK VP9L Tactical Holster, Lever, and Compensator – RH
Comp-Tac
Now: $80.96Was: $89.95Comp-Tac HK VP9L Lever + Compensator + Align Tactical Holster – Right Hand This custom made Comp-Tac International OWB holster is for your HK VP9L pistol and it that allows you to have the align...HKP-20979Now: $80.96Was: $89.95 -
On Sale
HK VP9 Optic Plate #6 - Sig Romeo 1 - Red Dot Pistol Mount
HKP HK Parts
Now: $28.66Was: $44.95HK VP9 Series Optics Plate #6 - Sig Romeo 1 - Optic Mount - Steel The finest all steel mounting solution for your HK VP9 Series Optic Ready model. New solid billet machined steel optics plate. Each...HKP-19545Now: $28.66Was: $44.95 -
HK 95mm Picatinny Rail Cover
H&K Heckler & Koch
$29.95HK Rubber Picatinny Rail Cover - 95mm New factory HK rubberized Picatinny rail cover. Specifications: Rail cover dimensions: 95x26x7 mmHKP-18858$29.95 -
HK G36, G36K, G36C Bolt Head, Complete - Rare
H&K Heckler & Koch
$599.95Heckler and Koch HK G36, G36K, G36C Complete Bolt Head Rare new German HK bolt head for the G36, G36K, and G36C. This is the correct factory bolt head needed when converting the SL8 to use...HKP-00636$599.95 -
On Sale
HKP Hat - Snapback - Flat Brim - Black
HKP HK Parts
Now: $10.09Was: $19.95HKP Flat Brim Snapback Hat - Black Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo 100% cottonHKP-20462Now: $10.09Was: $19.95 -
On Sale
HK33, HK53, HK93 Pistol Stabilizing Brace - SBA4 - Adapter Included
SB Tactical
Now: $258.09Was: $294.95SB Tactical Pistol HK93/33/53 SBA4 Stabilizing Brace & Adapter Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an...HKP-19929Now: $258.09Was: $294.95