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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B&T MP9/TP9 Case
B&T Brugger & Thomet
$199.95B&T MP9/TP9 Carrying Case B&T factory issue MP9/TP9 carrying cases. These cases are no longer in production or available from any other vendors. A limited quantity is available. Get yours before they are all gone! Dimensions: Length:...HKP-21084$199.95 -
HK UMP Hammer Spring - Left
USA
$9.95USA HK UMP Left Hammer Spring New U.S hammer spring- left side A high wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP models 45, .40 & 9mm USC .45 and other...HKP-20840$9.95 -
HK MP5K, SP89 Flat Receiver - 9mm
HKP HK Parts
$199.95MP5K, SP89 Receiver Flat - 9mm New MP5K receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier...HKP-20733$199.95 -
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 -
QD Dual Holster - Ambidextrous
Comp-Tac
$54.99Comp-Tac QD Dual Holster - Ambidextrous One holster that will cover your entire HK collection in ambidextrous, inside and outside the waistband package. No more buying multiple holsters for different firearms and applications. The paddle option gives end...HKP-20589$54.99 -
Out Of Stock
X400 ULTRA Laser and Light Combo - Green
Surefire
$779.95Surefire X400 ULTRA Laser & Light Combo - Green The X400 Ultra (Green) is a compact Weapon Light for pistols and long guns featuring an ultra-high-output white-light LED and a green laser sight that's optimized for human eyesight. Its recoil-proof...HKP-19126$779.95 -
B&T USW A1 Complete Folding Stock Assembly
B&T Brugger & Thomet
$162.45B&T USW A1 Complete Folding Stock Assembly Swiss B&T manufactured tactical folding stock assembly. Includes polymer stock and all four hardware pieces as shown. Compatible With: USW-A1 Specifications: Polymer Folding stock 9.75" longHKP-18356$162.45 -
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included
SB Tactical
$294.95SB Tactical HK MP5K SBA4 Pistol 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 integral, ambidextrous QD sling socket...HKP-19930$294.95 -
HK MP5 Stock - Folding - HK Parts Adapter
HKP HK Parts / Heckler & Koch
$269.95German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...HKP-19453$269.95 -
HK45, HK UMP Flash Hider - 4 Prong - Threaded 16x1 RH
HKP HK Parts
$79.95HK Parts .45 ACP 4 Prong Flash Hider - Threaded 16x1 RH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...HKP-01018$79.95 -
HK VP9, P30, HK45 Tru-Dot Front Night Sight
Meprolight
$45.95Meprolight HK VP9/45/P30 Tru-Dot Front Night Sight Bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same...HKP-16588$45.95 -
HK VP9, P30, P30L Magazine Floorplate - .40 S&W - 10 Round
H&K Heckler & Koch
$9.9510 Round HK VP40, P30, & P30L Magazine Floor Plate Compatible With: HK P30 .40 HK P30L .40 HK VP40HKP-02570$9.95