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Key terms: rifling barrel bullet bore spin projectile twist rate grooves rpm muzzle diameter cm inches throat length mv velocity firearms accuracy stability load lands yaw patch chamber formula travels rotating minute engraving calculator faster button rifled barrel excessive cartridge reduction greenhill flow forming gain twist smoothbore polygonal rifling upon firing muzzle velocity travels down groove diameter down the barrel projectile will diameter bullets diameter in inches Search external links cited by footnotes on Wikipedia page Rifling: |
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