12 Gauge Semi-Auto Shotgun O-Ring Seals - Gas System Replacement Pack

• This is the one you have been hunting for. Manufactured, tested, packaged & sold in the U.S.A.
• High-grade synthetic rubber O-rings replace old, worn, or cracked rings to provide a proper seal and restore gas system reliability.
• Resolve blow back issues with gas ports for 12 GA Charles Daly Semi-Auto.
• Will resist many solvents used to clean firearms.
• Material has a high tolerance to compression and operational at an extreme heat of 316°C(600°F) down to a freezing -54°C(-65°F).

You are purchasing 1 package containing 3 Charles Daly 12 Gauge Semi-Auto Shotgun O-Ring Replacements: Synthetic rubber and fluoropolymer elastomer. Superior material for the gas system barrel seal. This is what you want. Product fits perfectly and is of very high quality.