Quote:
Originally Posted by ChalkLine
Actually, the bullet in the M1943 7.62mmx39.00mm weighs 7.9g, and the bullet in the Mosin-Nagant 7.62mmx54.00mm(R) weighs 11.9g. They're considerably different.
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It is quite true the projectiles are different, however, the machinery to ream and drill the lands and grooves in the barrel would be the same. The difference would be in the chamber in the barrel. However, without a 7.62X54 round to compare I am wondering if this could be easily altered by simply reducing the depth of the reamer. Which is as simple. So, that could actualy reduce their need for retooling as far as the barrel making process goes.