HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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On Sale
CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED
Simunition
Now: $202.46Was: $319.95CQT FX Simunition Conversion Kit for MP5 - 9mm - Blue - USED SHADES OF BLUE MAY VARYHKP-99054Now: $202.46Was: $319.95 -
HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm
HKP HK Parts
$239.95HKP HK Parts Brace with Direct Fit Adapter for HK MP5K .40, 10mm Designed to adapt UMP style and SB Tactical braces directly to the 40,10 K platform. Made in the USA and available exclusively at HK...HKP-21835$239.95 -
HK MP5K Stock with Direct Fit Adapter - .40 S&W, 10mm
HKP HK Parts
$289.95HKP Stock with a Direct Fit Adapter HK MP5K .40 and 10mm Designed to adapt UMP style and B&T folding stocks directly to the .40, 10mm K platform. Made in the USHKP-21834$289.95 -
HK53 Parts Kit - Like New
H&K Heckler & Koch
$13,484.95Heckler and Koch HK53 Parts Kit - Like New These HK53 kits are undoubtedly the most pristine kits we have ever come across. Some of these kits were only test fired at the factory. Each de-milled...HKP-21780$13,484.95 -
Out Of Stock
HK21E, HK23E, PSG1, PTR Extractor
Michaels Machines
$275.95Michaels Machines HK21E, HK23E, PSG1, MSG90 Extractor Replacement extractor for HK21E, HK23E, PSG1, and MSG90 bolt heads. Extractors are a known wear item on these platforms and are no longer...HKP-21632$275.95 -
On Sale
HK UMP 5 Prong Ported Flash Hider - 5/8x24
HKP HK Parts
Now: $57.34Was: $89.95HKP HK UMP 5 Prong Ported Flash Hider - 5/8x24 5-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your...HKP-21569Now: $57.34Was: $89.95 -
FMP HK G3 Manual
$149.95FMP HK G3 Manual English-translated manuals for the Factory FMP G3 are available now. This is a rare collector's piece and the perfect item for those aiming to assemble a complete FMP G3 parts kit...HKP-21542$149.95 -
HK MP5, HK33, HK91 Take Down Pin - Push Button - Small
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents...HKP-21389$24.99 -
On Sale
HK MP5K Trigger Group - 9mm - Navy Style with AR Grip and Match Trigger
Magpul
Now: $519.95Was: $649.95Magpul HK MP5K AR 9mm Navy Style Match Trigger Group Our improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5K-AR...HKP-21378-MNow: $519.95Was: $649.95 -
HK MP5 Brace Adapter - Folding
HKP HK Parts
$149.95HKP - HK MP5 Folding Brace Adapter The HK Parts brace adapter is precision-machined from a solid billet of aircraft-grade aluminum and features integrated QD sling attachment points. It is properly...HKP-21217$149.95 -
HK SL8 Magwell - Used - Black
H&K Heckler & Koch
$9.95HK SL8 Magwell - Used - Black Used Magwell - Black - SL8HKP-20056$9.95 -
HK MP5 Parts Kit - SEF Binary Trigger - Pistol Build - Receiver Flat and Weldment Set - 9mm
$1,859.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts- SEF Binary Trigger Group MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the...HKP-20523$1,859.95