· Soft silicon
· easy to use
· shooting improvement
· fits on all universal bolt handle balls of repeating rifles
· More convenient for bolt handle (weapon release lever) of repeating rifles
· Fantastic for fast repeating of chamber sealing through its grip
· Enlarge bolt knob for rifle upgrade with this nice exterior
· Overall diameter: 30mm (1.2 inch)
· Hole diameter: 9.2mm (0.4)
· Weight: 14g (0.5)
· Soft Silicon material