Originally Posted by jwp475
Contrary to popular belief the powder is burnt completely in the first 3 to 4 inches and a longer barrel gives more velocity,with all bullet wieghts.....
Have you ever seen a pressure trace from a strain gage on a barrel???
If you had, you would never make this statement.
Look at a short barreled, large cartridge rifle shoot at night some time.
This is another urban shooting legend in the making.