The air strippers are finished with a beautiful bronze anodising layer, and a Delrin tool is included for installation.
The DonnyFL Fatboy insert kit contains two air strippers per caliber:
• 4.5/5.5mm (.177/.22)
• 5.5/6.35mm (.22/.25)
• 6.35/7.62mm (.25/.30)
Please note: this kit is not compatible with the limited gold edition muzzle brakes.