- Our Breakthrough Clean Technologies® Brass Jags are machined to specific calibers for precision fit. Each 20-gauge brass jag is stamped with caliber #8/32 thread for attachment to Breakthrough Clean Technologies® stainless steel rods.
- Our Breakthrough Clean Technologies® Brass Jags are machined to specific calibers for precision fit. Each 20-gauge brass jag is stamped with caliber #8/32 thread for attachment to Breakthrough Clean Technologies® stainless steel rods. Standard #8-32 thread (standard shotgun #5/16-27 thread on 12g).