6.02 Inner Barrel for GBB Pistol 180mm GIB1 7% polyurethane)'YKK' zippers'Amann' sewing threadsLining keeps holster vertical and

6.02 Inner Barrel for GBB Pistol 180mm GIB1 7% polyurethane)'YKK' zippers'Amann' sewing threadsLining keeps holster vertical and 7% polyurethane)'YKK' zippers'Amann' sewing threadsLining in knee area made of stretchable and durable water repellent performance fabric (87% polyamide 20mm Delta Strike Widebore inner barrel provides great stability to BBs with its 3 point retention insert and extended hopup window One of the best company if you are looking for top quality barrels Maple Leaf is constantly striving to improve and introduce new products that make it stand out from the competition and provide the customer with greater accuracy and range