.308 win subsonic loads

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farmerboy78

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Jan 19, 2010
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Hey guys, I recently bought a savage 10 precision carbine with a 1-10" twist. I worked up some subsonic loads using 4 different bullets all over 10 gr of trailboss. 200 gr speer grand slam, 200 gr Oregon cast bullet, 220 gr SMK, and a 220 gr sierra RN. The cast bullets and speers shot about and 11/2" @ 55 yds, the SMK shot about 3/4"@55 yds, and the RN shot a 1/2" outside to outside @ 55 yds. Two of the RN went in the same hole making one hole slightly larger than the original hole. This is definitely my go to load for target shooting and hunting with a suppressed subsonic. What are you using?
 
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