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 MP5K 2-Stage Trigger Group - 9mm - Complete
Timney Triggers
$498.95Timney Trigger for MP5K, SP5K The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing. Available exclusively...HKP-20515-M$498.95 -
$3.95 -
HK SP5 Stock or Brace Adapter - Folding
HKP HK Parts
$159.95HKP HK SP5 Folding Brace/Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your...HKP-20644$159.95 -
HK VP9, P30, USPC, P2000 Magazine Follower - 9mm
HKP HK Parts
$29.95HKP HK Parts 9mm Magazine Follower for HK VP, HK P30, HK USPC, HK P2000 A great replacement item for the stock follower. Made from aircraft-grade black Teflon hard coat anodized aluminum CNC machined from a solid billet. Compatible With: VP9,...HKP-20594$29.95 -
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 -
Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30
Real Avid
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The...HKP-19399$10.95 -
On Sale
HK416, COLT M4 Magazine Spring - .22LR - 20 Round
HKP HK Parts
Now: $1.95Was: $3.95HKP 20 Round HK416 .22LR and Colt M4 .22LR Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Umarex HK416 & Colt 20 round 22...HKP-14410Now: $1.95Was: $3.95 -
Out Of Stock
HK USP Magazine Housing - .45 ACP - 12 Round
H&K Heckler & Koch
$49.95H&K 12 Round HK USP .45 ACP Magazine Housing New HK German USP 45 12 Round Magazine Housing. Compatible With: HK USP .45 Full-Size pistols HK USP .45 Tactical Please note: may or may not have the LE/military markings.HKP-16542$49.95 -
HK USP, P30, HK45, P2000 Range Master Sight Tool
MGW
$249.95Range Master Universal Sight tool for - HK USP, HK45/C, P30 & P2000 Models The Range Master Compact Universal Sight Tool is designed to remove, install, and adjust front and rear dovetail sights on semi-automatic handguns. The benefit of...HKP-02084$249.95 -
Out Of Stock
HK45 Series, USP, USPC Complete Sear
H&K Heckler & Koch
$43.95Complete Sear Compatible With: HK USP Full-Size 9mm, .40 & 45 HK USP Compact 9mm, .40 & 45 HK45, HK45 Tactical HK45C, HK45C TacticalHKP-01173$43.95 -
HK416, MR556, MR762 Selector Lever Axle- Semi Auto
H&K Heckler & Koch
$44.95H&K HK MR556/MR762/416 Semi Auto Axle For Selector Lever HK German safe, semi selector axle for the MR 556 & HK 416 family of firearms. All steel construction. Compatible With: HK MR556 HK 416 HK MR762HKP-15433$44.95 -
HK G36, SL8 Ejector Spring
USA
$19.95HK G36 & SL8 Series Of Ejector Spring. Great item to have on hand as this is prone to wear and breakage- US.HKP-18374$19.95