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May 1, 2009, 02:26 PM
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#1 |
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Senior Member
Join Date: March 20, 2008
Location: IN
Posts: 321
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Question on Missouri bullets
I was looking into the SWC from MBC and noticed they have some listed for target velocity and others "for Major Power factor". The only difference is the brinell number(target is 12, major PF is 18). Im guessing the harder bullets will have more velocity, but im not sure(???). Whats the differences here?
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SA XD .45 Compact -- 5" Colt XSE -- Glock 21SF Savage Mark-II .22LR Member:NRA, DU, PF Ignorance can be fixed....its called education. Stupid will get you killed! |
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May 1, 2009, 02:28 PM
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#2 |
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Senior Member
Join Date: December 23, 2008
Location: Southern Illinois
Posts: 1,527
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harder bullets can be pushed to higher velocities...generally.
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~~IllinoisCoyoteHunter~~ ~NRA LIFE MEMBER~ ~NRA CERTIFIED INSTRUCTOR~ |
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May 1, 2009, 02:30 PM
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#3 |
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Senior Member
Join Date: December 23, 2008
Location: Southern Illinois
Posts: 1,527
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Sometimes if you don't push a harder bullet hard enough, it will not expand to create a tight seal in the barrel. When this happens, you get gas cutting which is gas escaping around the bullet. This causes leading.
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~~IllinoisCoyoteHunter~~ ~NRA LIFE MEMBER~ ~NRA CERTIFIED INSTRUCTOR~ |
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