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I made up 50 Sierra Match King's , 80 gr HPBT for 1 - 7 twist barrels with 1x LC brass , CCI BR4 primers. Col was 2.295" to 2.303". That is my mag length.

Bullet length 1.080" to 1.089". Ten each at five levels.

Used IMR 4064 powder @ 20.8 gr , 21.2 gr , 21.6 gr , 22.0 gr crush, 22.4 gr compressed.

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