Very unique design of the GBB inner barrel by Maple Leaf / Ra-Tech. Brass alloy construction with the 6,04mm diameter. Designed to enhance accuracy. Unique design provides a cushion of air around the BB after it leaves the barrel.
Very unique design of the GBB inner barrel by Maple Leaf / Ra-Tech. Brass alloy construction with the 6,04mm diameter. Designed to enhance accuracy. Unique design provides a cushion of air around the BB after it leaves the barrel.