This would make a great machine gun upper. only need to swap the B/C group
Upper has prob. 1500 rounds through it. It has some black Duracoat on the FS, and front sight base.
Samson MRFS-C Excellent shape
Doublestar 11.5 flattop upper with T marks
B/C group included (AR15 semi not full auto)
Phantom Flash suppressorALL NFA RULES APPLY