The Glock Factory Plus Two +2 Magazine Extension & Insert 7151 & 7165 in OD Green is a high-quality firearm accessory designed specifically for GLOCK handguns. Made of durable polymer material, this magazine extender adds 2 more rounds to your magazine, increasing your firepower and readiness for shooting. With a color of OD Green and manufactured in the United States, this product is a reliable and practical addition to your handgun for hunting or sporting activities. It is important to note that this product may not be legal in California due to the state's gun control laws.