Maple Leaf DELTA System Hop Up Rubber 70 Degree for Marui / WE / KJW GBB & VSR

Maple Leaf DELTA System Hop Up Rubber 70 Degree for Marui / WE / KJ GBB & VSR Made of 70 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