6.02 Maple Leaf] Hop Up Chamber W/ Inner Barrel Set[For Marui/ WE /KJ Hi-Capa GBB Series] Aluminum construction Maple Leaf Hop Up Chamber Improved steel pressure plate included : I-Key , Maple Leaf Inner Barrel , Maple Leaf Pistol Hop Up Adjustment Wheel, Maple Leaf Hop Up Chamber Some may come with black 70degree bucking and Not assembled. Specification: Colour: Silver and Gold Weight: 10g Compatibility: WE-Tech/KJ Works/ Tokyo Marui HI-CAPA GBB Gas Blowback Series Package Contents: I-Key x 1pc Maple Leaf Inner Barrel 6.02 x 1pc Maple Leaf Pistol Hop Up Adjustment Wheel x 1pc Maple Leaf Hop Up Chamber x 1pc Maple Leaf 70 degree Bucking + c clip x 1pc