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Best round for 1x7 20" HB

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  • shooter1201
    replied
    My first AR, ca. 1989, was a Colt with a 20-inch 1/7 barrel. It LOVED 62 gr. Match HPs. My current AR is an LEO Bushy lower with an RRA middy 1/7 upper. I'm hoping it will like Federal's 62 grain Tactical loads.

    Leave a comment:


  • Diesel
    replied
    Originally posted by Gunwritr View Post
    The best round for what?
    Hunting, competition, self-protection, intermediate barriers?
    Need more info........

    Exactly, well said

    Leave a comment:


  • Gunwritr
    replied
    The best round for what?
    Hunting, competition, self-protection, intermediate barriers?
    Need more info........

    Leave a comment:


  • Bayou Blaster
    replied
    Originally posted by Mini 14 View Post
    I just obtained a 20" AR-15 HBwhich would be the best round 55 or 62gr etc??
    The one in seven inch twist rate twenty inch barrel is optimised to stablize the heavier grain weight rounds. The lighter rounds (55 grain) tend to yaw before exiting and will on occasion fragment, though fragmentation is not an intended design feature. Wounds tend to be more severe. The heavier bullets (62, 69, 75 grain) provide better penetration slighty more mass and kenetic energy. Under most circumstances (comparable target distance) they don't yaw/fragment before existing.

    The subject of best defensive rounds has been discussed before here:



    Hornady TAP, Federal Tru, M855 have been recommended for those with AR-15/M-16 platforms utilizing the faster twist rate 1 x 7 inch barrels.

    Congrats and Good Luck with the new firearm.

    Leave a comment:


  • Big_Saw
    replied
    Originally posted by rsanders View Post
    Damn Mini! You own a pawn shop ? That's a buncha weapons you acquired in the past week:confused:, oh yeah Welcome to the board from Kentucky :D
    I had a similar first impression...

    Leave a comment:


  • rsanders
    replied
    Originally posted by Mini 14 View Post
    I just obtained a 20" AR-15 HBwhich would be the best round 55 or 62gr etc??
    Damn Mini! You own a pawn shop ? That's a buncha weapons you acquired in the past week:confused:, oh yeah Welcome to the board from Kentucky :D

    Leave a comment:


  • Mini 14
    started a topic Best round for 1x7 20" HB

    Best round for 1x7 20" HB

    I just obtained a 20" AR-15 HBwhich would be the best round 55 or 62gr etc??
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