Ar-15/M16/ 308 Ar Nylon Chamber Brush - 22 Caliber Nylon Heavy Weight Chamber Brush For Ar-15

Durable, tough, nylon bristles aggressively scrub your chamber; nylon tufts reach and clean the locking lug recess. Available for M16, AR-15, and AR-10 rifles. M16 has an 8-36 thread to directly thread into the military's "Cleaning Rod, Small Arms". Mfg: Brownells SPECS: Nylon brush, brass stem. M16 - 3-7/8'''' (9.8cm) overall. 8-36 military thread. AR-15 - 3-7/8'''' (9.8cm) overall. 8-32 standard thread. AR-10 - 4-3/8'''' (11.2cm). 8-32 standard thread.