DELTA Hop Bucking 75° for VSR and GBB

Maple Leaf / Ra-Tech HopUp bucking for VSR sniper rifles and GBB guns. Slightly narrow entrance for better sealing to achieve more consistent power output. This is called Delta shape and improove mainly accuracy. Bucking is suitable for Marui / KJ GBB Pistols and VSR-10 compatible air cocking rifles

• 50° for guns with the output velocity bellow 110 m/s (360 FPS)
• 60° for guns with the output velocity 90 - 120m/s (295 - 400 FPS)
• 70° for guns with the output velocity 110 - 140 m/s (360 - 460 FPS)
• 75° for guns with the output velocity 130 - 150 m/s (430 - 500 FPS)
• 80° for guns with the output velocity above 150 m/s (500 FPS)

Notice
For the proper operation of the hop-up rubber, the barrel must not have a bridge at the hole for the nub.