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 USP Magazine Housing - .40 S&W - 10 Round
H&K Heckler & Koch
$24.95HK German Full Size USP .40 10 Round Magazine Housing New HK German USP .40 Mag Body - 10 Round USP .40 Full SizeHKP-16543$24.95 -
HK Mark 23 Trigger Bar Spring
H&K Heckler & Koch
$47.95Heckler and Koch HK Mark 23 Trigger Bar Spring Replacement trigger bar spring designed for the HK Mark 23 pistol. Intended for maintenance or repair of compatible trigger assemblies to ensure proper function and reset. Compatible With: Mark 23HKP-01583$47.95 -
Out Of Stock
HK Mark 23 7.5mm +6 Rear Sight
H&K Heckler & Koch
$64.95HK Mark 23 Rear Sight 7.5 mm 6.7mm - +2mm Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)HKP-02599$64.95 -
$10.95 -
HK P30SK Grip Panel Right Side - Small
H&K Heckler & Koch
$14.95Heckler and Koch small Grip Panel in black for the right side of HK P30SK grips The P30 incorporates interchangeable side panels for optimal fit. Easy-to-install modular back straps also allow the P Series pistol to be custom-fitted to any...HKP-18077$14.95 -
HK P30L Recoil Spring Guide Rod
H&K Heckler & Koch
$39.95HK P30L (Long Slide) Recoil Spring Guide Rod - Stripped New Factory HK P30L Recoil Rod. Compatible With: P30L P30L V2 P30L V3 (SA/DA)HKP-16654$39.95 -
On Sale
HK P2000 Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH
RCM
Now: $190.95Was: $225.00RCM HK P2000 .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 .40 tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest threaded...HKP-16942Now: $190.95Was: $225.00 -
On Sale
HK VP9, P30 UMH3 Holster - Paddle - Universal RH
UM Tactical
Now: $49.95Was: $65.00UM Tactical UMH3 Paddle RH Holster Right-handed, paddle holster for pistols equipped with the UM Tactical UM3 sight mount (Not included). Unlike conventional holsters, UM Tactical's UMH3 Universal Holster grips the pistol and the UM3...HKP-17016Now: $49.95Was: $65.00 -
Out Of Stock
HK USP Elite Barrel - .45 ACP
H&K Heckler & Koch
$499.95HK USP Elite .45 ACP Barrel The finest HK USP .45 barrel available and used in the HK Elite line of firearms from hand-selected barrel blanks. Compatible With: HK USP Elite .45 ACP Also fits the USP .45 Full Size & Tactical models but extends about...HKP-01524$499.95 -
On Sale
Thread Protector - .40 S&W - 9/16x24 RH
HKP HK Parts
Now: $9.95Was: $14.95HKP .40 S&W Thread Protector - Threaded 9/16x24 RH The HK Parts 9/16x24 thread protector is specifically designed for .40 S&W handgun barrels with 9/16x24 right-hand threading. Essential for protecting your barrel threads...HKP-17032Now: $9.95Was: $14.95 -
HK USPC Tru-Dot Rear Night Sight - Green
Meprolight
$53.95Meprolight HK USPC Tru-Dot Rear Night Sight - Green Features: Unequaled low light performance Brightest night sights available today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12 years usable illumination warranty to...HKP-16593$53.95 -
Out Of Stock
HK USPC Magazine - 10 Round - .357 SIG - Flat Floorplate
H&K Heckler & Koch
$49.00HK USP Compact 357 10 Round Magazine With Flat FloorplateHKP-02363$49.00