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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HK Mark 23 Barrel - .45 ACP - 6.02" - Non-Threaded
RCM
$250.00RCM HK Mark 23 .45 ACP Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished inside and out with an ultra-desirable nitride coating. This is...HKP-16561$250.00 -
On Sale
HK USP V1, V2 Old Style Complete Hammer
H&K Heckler & Koch
Now: $69.95Was: $79.95HK USP V1/V2 Old Style Complete Hammer HK USP complete with pin - hammer variant 1, 2, and 9. Old style all metal USP spurred hammer.HKP-01602Now: $69.95Was: $79.95 -
HK G3 Parts Kit
H&K Heckler & Koch
$397.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each...HKP-00827$397.95 -
HK MP5 Bolt Hold Torsion Spring - .40 S&W, 10mm
H&K Heckler & Koch
$39.95H&K Heckler and Koch MP5 40, 10 Bolt Hold Torsion Spring This is the factory spring used to activate the bolt hold-open lever. Great spare and needed part to have on hand.HKP-00455$39.95 -
HK Bungee Single Point Sling - 1325mm Long
H&K Heckler & Koch
$114.95H&K Bungee Single Point Sling - 1325mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the...HKP-18728$114.95 -
On Sale
Picatinny Rail for HK Receivers - 13 Slot
DTAC Dakota Tactical
Now: $67.46Was: $74.95DTAC Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds...HKP-17818Now: $67.46Was: $74.95 -
On Sale
HK USPC, HK45C Hybrid Trigger - Volker Precision
Volker Precision
Now: $83.26Was: $97.95HK USP Compact and HK45 Compact Hybrid Trigger Volker Precision hybrid trigger for USP Compact and HK45 Compact models in all calibers. Available exclusively at HK Parts Compatible With:HKP-22443Now: $83.26Was: $97.95 -
HK417, MR762 Magazine - 5 Round
H&K Heckler & Koch
$78.95H&K 5 Round MR762/417 Magazine 5-round magazine for the MR762 and HK417. Compatible With: MR762 HK417HKP-22013$78.95 -
On Sale
HK MP5, AP5 Trigger Group - Semi Auto - 4 Position Pictogram 013F
MKE
Now: $395.96Was: $439.95MKE HK MP5/AP5 4 Position Pictogram (0,1,3,F) Semi-Auto Trigger Group This 0,1 semi-auto trigger group features the 4 position pictogram 0,1,3,F. Designed with a push pin set up, it serves as a...HKP-21817Now: $395.96Was: $439.95 -
HK MP5K, SP5K-PDW, SP89 Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
$849.95Franklin Armory HK MP5K-AR Binary Trigger Group Introducing our new MP5K-AR Navy ambidextrous lower housing, paired with a Franklin Armory Binary Trigger pack and a Magpul MOE grip for a complete...HKP-21337-M$849.95 -
HK P30SK Holster - DCH Comp Carry
Comp-Tac
$79.95Comp-Tac HK P30SK DCH Comp Carry Holster Comp-Tac P30SK comp carry DCH (Dual Concealment) holster. This holster is compatible with our Rail Mount Compensators and Match Weights. The best holster for...HKP-20587-M$79.95 -
On Sale
HK45C Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $101.21Was: $189.95HKP HK 45C .45 Rail Mount Compensator for Threaded Barrel Specifications: Length: 4 inches Height: 2 1/2 inches Weight: 5 oz.HKP-20597Now: $101.21Was: $189.95