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Simple physics. Rifling means more friction going forward. Means more force backwards ie recoil.

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??? Friction could certainly raise pressures.....

I'm only an aviator and not a ballistician, but I'm not so sure about friction & "more force backwards ie: recoil", something about Newton's Third law and all that?

Besides, once the rilling is engraved and the ball is rotating I'm thinking friction would be the same as smoothbore "if" one is talking about a lead projectile obturating to fill the bore

Yes-No?

- Mike

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