G-Series - Aluminum construction Maple Leaf Hop Up Chamber - Improved steel pressure plate - Maple Leaf Inner Barrel 6.02/Maple Leaf Pistol Hop Up Adjustment Wheel, Maple Leaf Hop Up Chamber - Some may come with black 70degree bucking and not assembled. Specification - Color: Silver and Gold - Weight: 10g - Compatibility: G17 G18c G19 WE-Tech/KJ Works/ Tokyo Marui GLOCK GBB Gas Blowback Series Package Contents - I-Key x 1pc. - Maple Leaf 97mm 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. 84mm Suitable for  WE/ Marui G19 97mm Suitable for Marui G17/18C, WE G17/18/19/34/35, SA 17/18  113mm Suitable for Marui , WE Glock GBB Series