I was cleaning my new Springfield tonight and noticed on the barrel it says "bar sto 40SW." What is bar sto? I've never heard of that before.
Bruce, Life Member: NRA
Naval Air Museum Barbers Point
"I personally think we developed language because of our deep inner need to complain."--Jane Wagner
"The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom."
It means it is an after market barrel. However, they make aftermarket barrels for many guns, and many people replace their stock barrels with barsto barrel because sometimes they are considered more accurate than the stock barrel.
Expensive barrels, too. Well, guess I'll have to see if it is, in fact, more accurate. I know it was dirty as all get out.
Someone dropped some good money on a really good barrel. That's exactly what it means.
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