I disagree.eaglesnester said:It is my understanding that T-7 is a sugar based propellent and is not as corrosive as holy black. That is if U clean immediately after your shooting session. On the other hand pyrodex is perclorate based and is extremely corrosive and will eat your bore no matter how well U clean after shooting. What say youall?
Both T-7 and Pyrodex use Potassium Nitrate and use Potassium Perchlorate as the oxidizer.
Neither one of them is sugar based.
Both of them create various salts when they are shot and both of them require the same amount of cleaning when your done.
If the barrels are left uncleaned, fouling from black powder, Pyrodex and T-7 will corrode the bore.