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556 brass
- Thread starter rebs
- Start date
Can Lake City 556 brass be loaded to 223 and used in a Remington 223 bolt action rifle ? I have all LC brass and no commercial 223 brass.
Yes. Use a full length sizing die and start at the minimum charge weight.
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ShootistPRS
New member
Yes, the cases are identical and only the powder charge is changed. The "advantage" of the 5.56 round is that due to the chambers long free-bore and gradual leade the pressures are kept down in spite of the larger charge in the 5.56.
While there is some difference in case capacity between most .308 Win and 7.62 NATO cases, with the latter being on the heavy and lower capacity side, U.S. made 5.56 military brass is in the same weight range and capacity as commercial brass with the military actually on the lighter end of the range. So, no special treatment is necessary. External case dimensions are identical.