Our Breakthrough® Clean Brass Jags are machined to specific calibers for precision fit.
- Each .17 caliber brass jag is stamped with caliber 5-40 thread for attachment to Breakthrough® Clean stainless steel rods.
- Each .22 / .223 caliber / 5.56mm, .243 caliber / 6mm, .25 / .264 caliber / 6.5mm, .270 / .284 caliber / 7mm, .30 / .308 caliber / 7.62mm, .357 / .38 caliber / 9mm , .40 caliber / 10mm, .44 / .45 caliber brass jag is stamped with caliber 8/32 thread for attachment to Breakthrough® Clean stainless steel rods.
