ST - Black Ace - 9mm / .356 / 147grs / RN

 "BLACK ACE" bullets

RN
.356
147 grs
9mm

After the copper plating, an additional small layer of specially chemically treated copper alloy is added, giving it the typical color.

In addition to providing greater precision, this treatment helps to reduce the deposition of copper left by the ball as it passes through the barrel, which guarantees greater protection during the long and intense shooting sessions