COL Question for .223

COL Question for .223

This is a discussion on COL Question for .223 within the Reloading forums, part of the Defensive Ammunition & Ballistics category; I'm fairly new to reloading rifle cartridges. I just loaded 50 rds of Sierra Gameking 55gr HPBT. Long story short, I set them at 2.210 ...

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Thread: COL Question for .223

  1. #1
    Member Array ConcealedinPA's Avatar
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    Sep 2012

    COL Question for .223

    I'm fairly new to reloading rifle cartridges. I just loaded 50 rds of Sierra Gameking 55gr HPBT. Long story short, I set them at 2.210 when they should have been set at 2.240 My eyes read the COL for the bullet listed above it. 25 of them are loaded at suggested start of 25.0 gr. and 25 are at 25.5 Does anyone see this as being a pressure problem? Or do I pull them. Thanks
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  2. #2
    VIP Member Array OldVet's Avatar
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    Hiding inside a bottle of Jim Beam Black in S. FL.
    Nope. Shoot them. Stated COLs, especially in rifle rounds, are a nebulous dimension. Many rifle loads are "compressed" with longer bullets. Typically longer COLs will improve accuracy, with the bullet just a few .001s shy of touching the rifling.
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  3. #3
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    NOVA...200 square miles surrounded by reality
    Magazine fed guns like AR's I always load to Max Magazine OAL which is 2.260, or to the Cannelure.

    Bolt guns COAL is gun dependent if your trying to minimize bullet jump.
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  4. #4
    VIP Member Array dukalmighty's Avatar
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    Nope if they are too short they will never reach the target
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