HK21 / HK23 / HK11 Series

HK MP5, G3, 91, PTR, 93, 33, HK94 Hammer Strut - USED   SOLD INDIVIDUALLY   USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German Hammer Strut for 90 series rifles and pistols. A perfect...

B&T APR308 Deployment Bag - With Sling Hidden for years in an unmarked crate, these genuine B&T contracted deployment cases are perfect for keeping your valuable B&T APR rifle safe and secure.  The cases were made in Poland by NFM Group...

H&K HK21E/23E Inner & Outer Buffer Compression Springs An unissued set of inner and outer buffer compression springs for your HK21E/23E buffer, sourced directly from HK Germany. Most HK21E/23E buffers in the U.S are first-generation, which use...

HK 21E Backplate Assembly With Heavy Buffer Genuine Heckler and Koch. Unique back plate assembly for a pistol type build or a low profile addition to the HK21E/HK23E. Compatible With: HK 21E HK 11

HK21 Barrel Grip Axle Pin Factory axle pin for HK21 barrel handle release levers.

H&K HK21E/23E Rear Sight Base Factory German HK21E/23E rear sight base ready to weld on your build. The rear sight base serves as the mounting point for the rear sight, providing stability and proper alignment for accuracy on your HK21E or HK23E. As...

20 Round Steel Magazine HK L.E.O - HK 91, G3, PTR .308- LEO Laser Marked  Perfect for the avid collector, HK .308 factory steel 20-round all-steel magazine. Each magazine starts as a handpicked unit and is expertly broken down and refinished, inside...

HK German HK21E, HK23E Carry Handle New HK German factory HK carry handle for the HK21E, HK23E series of firearms. This offering is the handle only. The carry handle can also be adapted to standard HK21 models as well as the following firearms. HK21...

MM HK21E, HK11A1, HK11E Barrel - 17.7" Michael's Machines HK21E barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come complete, drop-in ready with a new factory flash hider and fully...

HK21 Complete Build Kit- Matching Numbers HK Parts brings you another exhaustive parts kit. Our numbers-matching Ultimate HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. Kit includes...

HK21 Ultimate Build Kit- Matching Numbers with Michael's Machines Complete Barrel HK Parts brings you another exhaustive parts kit. Our numbers-matching Ultimate HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range...

HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" RCM HK21 barrels are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Each barrel ships complete with a new factory flash hider and fully assembled handle...