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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Picatinny Rail for HK Receivers - 13 Slot
DTAC Dakota Tactical
$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 to the top of your HK receiver. Compatible With: HK...HKP-17818$74.95 -
HK G3 Apparel - Hats, Patches, and Shirts
HKP HK Parts
$0.00HKP HK G3 Apparel and Patch Collection Represent your platform with the HK Parts G3 Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...HKP-22458-M$0.00 -
On Sale
HK MP5, AP5 Front Sight Tower Complete
MKE
Now: $26.21Was: $54.95MKE AP5, MP5 Front Sight Tower Complete The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms...HKP-22256Now: $26.21Was: $54.95 -
HK P30, P2000 SA/DA Spartan Hammer - V2
Lazy Wolf
$148.95Lazy Wolf HK P30 & P2000 SA/DA Spartan Hammer - V2 Transform the feel and look of your HK P30 or P2000 Single Action/Dual Action pistol with the Lazy Wolf Guns Skeletonized Spartan Hammer. Redesigned geometry yields a superiorly smooth and...HKP-22187-M$148.95 -
HK USP .45 ACP MOD 1 Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator: H&K USP .45 ACP The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil, allowing you to get back on target...HKP-22079$179.95 -
Surefire ST Mounting Plate - Tape Switch - M-LOK
Magpul
$14.95Magpul M-Lok Tape Switch - Surefire ST The M-LOK tape switch mounting plate is designed to attach surefire ST pressure pads on M-LOK compatible systems. It is molded of the same high quality polymer as other Magpul products, combining light weight with...HKP-21480$14.95 -
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 MP5K-AR Binary Trigger group. This drop-in unit fits all...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 that offers IWB or OWB option Features: Offers IWB and...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. Torque: Bottom Screws - 26 inch-lbs Side Screws - 18 inch-lbs Crafted from aircraft-grade billet aluminum and finished in...HKP-20597Now: $101.21Was: $189.95 -
HK UMP, USC Top Rail for Optics with Screws - Extended
H&K Heckler & Koch
$79.95H&K HK UMP & HK USC Extended Top Rail For Optics with Screws This rail is nearly an 1" longer than the standard length top rail. This Picatinny top rail allows the user to add an Eotech, Aimpoint, Acog, etc. This unit is the best quality &...HKP-20502$79.95 -
HK MP5 Brace With Direct Fit Adapter
HKP HK Parts / SB Tactical
$299.95HK MP5 Brace With Direct Fit Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Made...HKP-20214$299.95 -
Gamma Muzzle Brake - Threaded 5/8x24 RH
Aero Precision
$104.95Aero Precision (7.62x51/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH The VG6 GAMMA is a muzzle brake and compensator hybrid. It virtually eliminates recoil and minimizes muzzle movement. The unique combination of both braking and compensating features...HKP-19675$104.95