Quote History Originally Posted By smash05:
That is not the case. Q3131 is a 5.56mm commercial load. Lake City load is also a 5.56mm load for M193 spec. M193 Spec has a specific testing protocol for distance the velocity is taken from. The Q313 might be from the muzzle.
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And to add to this answer... and these might not still be produced, but... Winchester has sold them before.
Q3131A, is from IMI production.
Q3131A1 is from Korea
FWIW... I gave up on Winc. 55gr FMJ ammo years ago. The groups sizes were horrible compared to other brands at the time.
That might have changed , in the current production stuff.
I mention this if your are considering a bulk purchase... as in I would try some first, prior to buying in bulk.