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.5?First .40 I've owned, does anyone know the difference between a .45 & a .40?
Just kidding, obviously the .40 is smaller, but it has more velocity than the .45 and recoil is a little different. The .40 generally causes more muzzle climb than the .45. Most .40 FMJ rounds are of the truncated cone variety while most .45 ammo is round nose although different projectile shapes are available for both, the above mentioned shapes are the most common in factory loads for FMJ. A wide variety of JHPs are available for both.