Brownells 12 Gauge 5/16-27 Female Double-Up Bore Mop, Pack of 3

Additionally, the system offers flexibility in its arrangement. Users can customize the order of the mop and brush or even incorporate an extra mop or brush to boost cleaning effectiveness. This adaptability ensures that the cleaning system meets various needs and preferences, providing a thorough and tailored cleaning experience. Compatible with 12 Gauge shotguns Mop - constructed with wound cotton fibers, featuring a twisted steel shank and an aluminum coupling, designed with a 5/16-27 thread specification for enhanced durability and performance