Thread: Which is louder, a 12 or 410 bore.

Originally Posted by Micky Duck

to further confusdicate you sapper.....the term .12ga or .20ga or 4 ga etc etc comes from the number of BORE DIAMETRE balls of pure lead to the lb......so a four guage chucked 1/4POUND of lead every time you pulled the trigger...... and to make matters worserer still.alot of modern .12ga shotguns actually ARENT .12ga as such anymore.....they have closer to 10ga barrels...back bored etc etc are fancy terms to say barrel diameter is larger than standard...and russian barrels are tighter than english.....eg my single bakail reads 1/4 choke all the way down the bore...well it does 3" back from where old muzzle was before Mr Hacksaw took the choke off....the SxS that got sent into backyard gunsmith/engineer got similar treatment except he was suposed to stop taking thin slices off end of barrel when he got back to 1/4 choke...but as he didnt know barrel was tight to begin with he removed all choke and still hadnt got to right diametre he THOUGHT he shold be at....so when someone says a bakail has over full choke...its not....its got same AMOUNT of constriction,but it starts out tighter so ends up tighter/smaller hole in end.