HK21 / HK23 / HK11 Series

HK21E/23E Or MSG90 Quick Release Rail Scope Mount Made in the USA of the best material and to factory HK specs. First time offered and exclusively here at HKPARTS.NET.

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...

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...

HKP HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH Steel flash hider designed for HK23, HK21, and HK11 pattern firearms and is threaded 15x1 right hand. Helps reduce visible muzzle flash while maintaining an original-style HK profile. Compatible...

Aimpoint T-1, H-1 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T1, H1 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...

H&K 21/21E/23/23E Double Frame Front Sight Base Original, unissued German double frame front sight bases. These have never been welded to a cocking tube and are perfect for completing or restoring your build with factory-spec parts. Compatible...

H&K 21E/23E Left Receiver Reinforcement Rail Weldment Genuine German-made weldment for left-side receiver reinforcement rail. Precision-machined using the correct steel and milling for you HK21E or HK23E build. Compatible With: HK21E HK23E