Kleen-Bore 37/40MM Bore Mop Cotton for 37 / 40mm Gas and Grenade Launchers

Kleen-Bore 37/40MM Bore Mop Features Heavy-Duty bore mop is designed to specifically for maintaining both 37/ 40mm gas and grenade launchers. Highly absorbent cotton is ideal for a quick swab clean of bore or applying CLP to a fouled bore or applying (LP Lubricant / Preservative) lubricants after cleaning is complete. Kleen-Bore 37/40MM Bore Mop Specifications 100% Highly Absorbent Cotton Mop Replacement for Gas/Grenade Cleaning System #GL40 / LL-1305 American Std. #5/16-27 Threads Made in USA