Gamo, Gamo Arrow, Magazine, 177PEL, 10 Rounds WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. .177 Cal Pellet 10 Round Magazine Product Description Gamo offers a complete line of adult precision pellet air rifles, air guns, air gun pellets, CO2 air pistols, ammo and accessories.