Brownells .308 Win/.30 Cal #8-32 Male Chamber Mop, Pack of 3

The innovative dual-purpose design effectively cleans and lubricates both the chamber and locking lug recesses of your AR-308 using a single mop. The elongated, slender section reaches the chamber with individually tied cotton strands, performing the task of numerous small fingers. The shorter, larger-diameter section is designed to clean and lubricate the locking lug recesses. Cotton threads ranging from 8 to 32