Two identical rifles, the same ammunition… so why can the velocity still change?
Two identical rifles can display different velocities with the same ammunition. Barrel tolerances, chamber, rifling grip, friction, temperature, and batch of cartridges explain why each weapon has its own ballistic…
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Breaking in a new barrel: mechanical necessity, useful precaution, or simple ritual?
Some shooters clean their barrel after every cartridge. Others fire a whole box without the slightest precaution. Between the two, each often claims to hold the truth.
Read more: Breaking in a new barrel: mechanical necessity, useful precaution, or simple ritual?