jibaro13 Posted July 27, 2011 Report Share Posted July 27, 2011 HelloI'm new to the forum, reason for becoming a member is I'm having a AR-10 build. Is there a difference in the ballistics in a Rd's of 147gr to 175gr from a 18inch barrel of a carbine and a bolt action 22inch? at a range of 400 to 600meters?Thanks Quote Link to comment Share on other sites More sharing options...
survivalshop Posted July 28, 2011 Report Share Posted July 28, 2011 If loaded the same or the same ammo , the 22" bbl. will have a little edge in velocity down range , but not much.If you plan to reload , reloading for a semi auto is a little different than a bolt action . Magizine will limit COL & you will have to full length re-size the case. Quote Link to comment Share on other sites More sharing options...
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