This is a Remington Mop known as the Squeeg-E, model 17128.
The Remington Bore Squeeg-E's revolutionary design has avid shooters" hunters" law enforcement and military changing their gun maintenance regimen. New shooters are also rapidly adopting it for its effectiveness and ease of use. The rod or cable attached pull-through bore cleaner eliminates the need for ineffective bore patches and cotton mops by ensuring a mirror-clean chamber and barrel in just one pass.
Features:
Forms a Tight Fit Seal
Designed to Pull From Chamber to Muzzle
Made From Modern Polymers