Sinclair solvent ports are designed to allow the application of solvent directly to a brush, patch, or mop without mess.
These ports fit into Sinclair cleaning rod guides, sealing with a silicone O-ring, and come in sizes for .17 caliber to 6.5mm, .270 to .30 caliber, and 8mm to 338 caliber.
The solvent ports are compatible with all Sinclair Rod Guides except RG4A54 and RG4A5417 rimfire guides.