A smooth, consistent trigger pull is the single most important factor in good marksmanship, and the hardest to master. Learning the correct sight picture only takes seconds; a proper trigger pull takes considerably longer.
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Thank you for mentioning the trigger pull.... The M-1 Garand has a much better trigger than a carcano....If you've fired a carcano you are familiar with the long take up and the difficulty of the actual release of the firing pin...