Maple Leaf MR Hop Double Air Seal Hop-Up Bucking for VSR-10 & GBB Airsoft Guns

Features

• Silicone material for better performance in low temperatures
• Additional clip to ensure a tight air seal
• Larger and wider "shield" shape groove design for better hop on heavy BBs
• Narrowed entrance for consistent power output

Package Includes: 1x Bucking