Mallard Armory 3 Charles Daly 12 Gauge Semi-Auto O-Ring Barrel Seals
- This is the one you have been hunting for. Manufactured, tested, packaged & sold in the U.S.A. by Mallard Armory..
- 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 Charles Daly 12 GA Semi-Auto Shotgun..
- 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)..