Umarex Steel BBs 4.5mm .177 Pellet Ammo Silver 1500 X 2 Bottle 0.35g
Umarex Steel BBs 4.5mm. 177 Silver 1500 X 2 Bottle 0.35g. Umarex Steel BBs 4.5 mm (.177), 0.35 g, silver. Steel shots - Due to their material these BBs provide a higher penetration, even in case of lower muzzle velocities.