 innovate and amaze. The Defender series, now this one's for the .45 caliber specifically and it's a one kit does it all for you. Cleans all .45 calibers and they have the rip cord which is a one pass cleaning system. They have solid rods and they also give you the cable with the memory flex cable so you can do the breach to muzzle clean. First of all, you never want to ram something down the muzzle of your firearm. It's bad for the crown.