Maple Leaf DELTA System Hop Up Rubber 75 Degree for Marui / WE / KJ GBB & VSR

Maple Leaf DELTA System Hop Up Rubber 75 Degree for Marui / WE / KJ GBB & VSR Made of 75 Degree Rubber Compared to Maple Leaf Hop up rubber, DELTA GBB Hop up rubber has shorter shooting range, but increases accuracy. Suit for Tokyo Marui KJ WE GBB / VSR Series Airsoft Sniper Rifle