Maple Leaf AST MR Hop AEG Rubber Bucking

Features Rubber construction Larger & wider contact patch for better hop effect with heavy BB's The design in the shape like a "shield" ensures better support of the hop up with the support levers The shield-shaped groove design has a better jump effect when the tensioner / lever presses it Manufacturer: Maple LeafCompatibility: Airsoft AEG Inner Barrels with large window openings to match the large inner contact patch.Material: Rubber Degree recommendations: 50 degree up to 360 FPS 60 degree 290-390 FPS 70 degree 355-460 FPS (most popular) 75 degree 420-490 FPS 80 degree 480 FPS or higher