Posts Tagged: Shotgun Shells

Ron Spomer

High Brass v Low Brass in Shotshells…Why?


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  Shell pounds per square inch (p.s.i.) ANSI Max. Av. Breech Pressure in pounds per square inch (p.s.i.) 10 ga. 3.5″ 11,000 12 ga. 3.5″ 14,000 12 ga. 3″ 11,500 12 ga. 2.75″ 11,500 16 ga. 2.75″ 11,500 20 ga. 3″ 12,000 20 ga. 2.75″ 12,000 28 ga. 2.75″ 12,500 .410 bore 2.5″ 12,500 .410 […]

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