Maple Leaf Hop Up Chamber Inner Barrel Set For Glock G17 G18 6.02 97mm G-Series Aluminum construction Maple Leaf Hop Up Chamber Improved steel pressure plate included : I-Key , Maple Leaf Inner Barrel 6.02/6.01 , 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 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