CROSMAN LF1754 AMMO : FAST FLIGHT™ HIGH VELOCITY .177 CAL .177CAL 5.4GR 150CT SANS PLOMBCROSMAN LF1754 AMMO : FAST FLIGHT HIGH VELOCITY . 177 CAL . 177CAL 5. 4GR 150CT SANS PLOMB Powershot ammunition from Crosman is a great alternative to traditional lead pellets. The outstanding ballistic properties enhance long range shooting for hunters, target and recreational shooters. These belted, pointed pellets hold their shape on impact for better penetration. At 5. 4 grains, the Fast Flight Penetrators deliver screaming velocities and maximum