Vetterli M70 / 87/16 bayonet for Vetterli shotgun modified in cal. 6.5x52

Original bayonet for Vetterli M70/87/16 rifle in cal. 6.5x52, the caliber of the Carcano 1891 rifle; the Vetterli were modified to recover the thousands of rifles in the warehouses, from cal. 10.40 they were modified with 6.5 Carcano for the Colonial or second line units.