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 MR762 A4 Gas Vent Screw - 1.0mm-2.5mm
H&K Heckler & Koch
$29.95Heckler and Koch MR762 A4 Gas Vent Screws German gas vent screw for MR762 A4 gas block. Specifications: Factory reference: 1.3mm is the common factory vent screw size for MR556 A4 Sizing reminder: Larger mm equals more venting, Smaller mm...HKP-21954-M$29.95 -
Century Arms AP51 A3 Telescopic Stock
MKE
$449.95MKE Century Arms AP51 A3 Telescopic Stock Factory new MKE stock professionally converted to fit the AP51 rifles and pistols. This AP51 stock was modified to the correct length recoil rod to make it a true drop in stock. Only offered here at HK Parts...HKP-21926$449.95 -
HK MP5 Dual Folding Stabilizer - With Adapter - OD Green
HKP HK Parts / Strike Industries
$319.95Strike Industries Dual Folding Stabilizer with HKP MP5 Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...HKP-21655-M$319.95 -
On Sale
HK21 Drum Hanger and100rd Drum
HKP HK Parts
Now: $389.95Was: $435.95HKP HK21 Drum Hanger with H&K 100 Round Drum Complete your HK21 or FMP21 build with our HKP drum hanger and H&K original 100-round drum. Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and...HKP-21633Now: $389.95Was: $435.95 -
HK416, MR556 Battlesight Set - Folding - 45 degree Offset
Troy Industries
$265.95HK 416 / MR556 - 45⁰ OFFSET BATTLESIGHT SET – HK FRONT & ROUND REAR Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding...HKP-21289-M$265.95 -
On Sale
HKP Hat - Snapback - Flat Brim - OSFM - Black
HKP HK Parts
Now: $13.45Was: $19.95HKP Flat Brim Snapback Hat - OSFM - Black Get your hands on some of our premium hats! Features: Official HKP merchandise 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM - Adult...HKP-20717Now: $13.45Was: $19.95 -
HKP Hat - Snapback - Baseball - OSFM - Black and OD Green
HKP HK Parts
$17.95HKP Baseball Trucker Snapback Cap - OSFM - Black & OD Green Get your hands on some of our premium hats! Features: Official HKP merchandise Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panelHKP-20712$17.95 -
HK45C, P30 Holster - EV2 AIWB
Comp-Tac
$59.95Comp-Tac HK P30/HK45C EV2 AIWB Holster The eV2 Holster is designed for easy as well as deep concealment in the Appendix Inside the Waistband (AIWB) position. The eV2's holster body is made of 100% aircraft-grade Kydex® which provides the smoothest...HKP-19413-M$59.95 -
HK VP9, VP9SK VP40 Laserguard - LG-499 - Red
Crimson Trace
$199.95LG-499 RED LASERGUARD VP9, VP9SK, VP40 The LG-499 Laserguard® is a powerful red laser sight designed for the Heckler and Koch® (HK®) VP series of pistols including: VP9, VP9SK and VP 40. Featuring a5mW peak, 620-670nm, Class 3R red...HKP-18566$199.95 -
On Sale
Micro Comp - Threaded 14.5x1 LH - .40 S&W
HKP HK Parts
Now: $19.95Was: $49.95HKP .40 S&W Micro Comp - 14.5x1 LH This lightweight micro comp serves as both a compensator and thread protector. It attaches easily to any factory spec 14.5x1 LH .40 S&W barrel. Specifications: Threaded 14.5x1 LH Compatible...HKP-20596Now: $19.95Was: $49.95 -
HK VP9, VP40 Grip Wrap for Small Backstraps - Granulate
Talon Grip
$19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick...HKP-20249$19.99 -
Out Of Stock
HK VP9, P30, HK45 Optic Plate - Vortex Razor, C-More STS - Red Dot Pistol Mount - Dovetail
Evolution Gun Works
$49.95Evolution Gun Works HK VP9/P30/HK45/HK45C Vortex Razor Mount Replaces the factory rear sight to give a sturdy mounting platform for running a Vortex Razor optic. The mount presses into place (from left to right, with muzzle forward) in the same...HKP-20047$49.95