9mm performance with barrel length
Seen at arfcom, a chart that shows how 9mm AR-15 velocity in feet per second changes by barrel length (thanks to Randall Rausch at www.ar15barrels.com):
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9mm performance with barrel length
Seen at arfcom, a chart that shows how 9mm AR-15 velocity in feet per second changes by barrel length (thanks to Randall Rausch at www.ar15barrels.com):
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