What is this?


#1

What is this “bullet”?

It has a brass band that can spin around the body. The four holes in the base are about 1mm deep.
Weight 162.2 gr.
Diam above the band .360 (9.14mm)
Band diam .372 (9.45mm)
Length 1.28 (32.5mm)


Unknown proj. 368 caliber