6mm Pro Shop Promthius R-hop Patch 3 Pack

Features

• Precision pre-cut patches are ready to use, simply drop into the barrel window and glue in place!
• Factory trimmed to exact specifications to meet each available inner barrel application
• Made from high quality 70D silicone rubber
• Silicone rubber does not expand or contract in extreme temperatures and gives much more consistent results than other materials
• Saves time and frustration versus traditional hand-cut R-HOP patches