Sinterfine 5.56X45MM
$225.00 – $400.00The Sinterfine 5.56X45MM NATO is a rifle cartridge made in the United States and initially chambered in the M16 rifle. Under STANAG 4172, it is an ideal cartridge for NATO forces and many NATO countries. But is not identical when the bullet reaches a high speed and hits the tissue; an indentation forms.