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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On Sale
UZI Magazine Spring - .22LR - 20 Round
Walther
Now: $1.46Was: $3.95Walther 20 Round UZI .22 Magazine Spring Uzi .22LR 20 round magazine spring for the Uzi, Walther, Umarex .22 pistol. A good supply of spare mag springs is a must. These are ideal to have on hand as...HKP-15592Now: $1.46Was: $3.95 -
Out Of Stock
Micro Dot Sight - Red and Green - Low Profile
AIM
$59.95Micro Red Dot Low Profile Sight With Green & Red Dot Option For those that require a good, reliable, well made optic without the name brand or heavy price tag, this is an outstanding choice. This...HKP-16209$59.95 -
HK MP5, MP5K Magazine - 30-Round - LEO Marked - 9mm
KCI
$52.95KCI 30 Round HK MP5, MP5K Magazine - LEO Marked KCI MP5 LEO marked magazines. Great for collectors and shooters who want the classic LEO aesthetic without paying factory-mag prices. We offer this...HKP-21611-M$52.95 -
HK MP5, HK53, HK93, G3 Housing - 3 Position S,U,O Pictogram - Contract Housing - 9mm, 5.56 / .223, 7.62 / .308 - USED
H&K Heckler & Koch
$29.95 - $99.95H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictoHKP-19912-M$29.95 - $99.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundesadler
Zenith
$43.95Zenith 30 Round HK MP5 Bundesadler Magazine The Bundesadler laser-etched into a Zenith magazine. Limited run so get them while you can! Application of oil is recommended depending on climate...HKP-20913$43.95 -
Out Of Stock
HK MP5, MP5K Drum Magazine - 50 Round - 9mm
F5 MFG
$199.00F5 MFG 50 Round HK MP5 and HK MP5K 9mm Drum Magazine HK MP5 and HK MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the...HKP-16537-M$199.00 -
HK VP9, VP9SK, VP40 Clamping Sleeve For Drop Safety Axle
H&K Heckler & Koch
$6.95Clamping Sleeve For Drop Safety Axle VP9, VP9SK & VP40 This is the roll pin that goes in the side of the slide and retains the drop safety.HKP-16838$6.95 -
HK G36, G36C, G36K 30 Round Magazine
HKP HK Parts
$38.95HK G36 30 Round Magazine HK Parts 30-round magazine designed to fit all G36, G36K, and G36C variants, and SL8's with the G36 magwell conversion. These magazines are top-quality and proudly made in...HKP-22525-M$38.95 -
HK VP9, VP40 Spring Bushing - Washer
H&K Heckler & Koch
$9.95H&K HK VP9, HK VP40 Half Shell Spring Washer 2 units needed for complete set. Brand new factory German HK. This item is the item that cradles the firing pin and is covered by the firing pin sleeve...HKP-16832$9.95 -
HK416, MR556 Ejection Port Cover
H&K Heckler & Koch
$58.95H&K HK MR556/416 Ejection Port Cover HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556. This item can also be used on other AR15-style projects to enhance the...HKP-15229$58.95 -
Out Of Stock
HK MP5, MP5K Paddle Magazine Release - Anti-Rattle Roller Tipped - 9mm
HKP HK Parts
$49.47HKP HK Parts 9mm Anti-Rattle Roller Tipped Paddle Magazine Release for HK MP5 and MP5K Latest generation paddle mag release for all 9mm MP5, MP5K style builds. Made to the latest German specs,...HKP-17570$49.47 -
HK MP5, SP5K Bore Cleaner - Bore Boss Pull-Through - 9mm
Real Avid
$12.95Real Avid Bore Boss Pull-Through Bore Cleaner - 9mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready,...HKP-19398$12.95