My favorite load for my 24 inch 1/8 twist AR15 has been 23.0gr of N133 pushing a 60gr vmax. I found a box of Sierra 77gr Hpbt bullets and decided to load up 5 with 21.5gr of H322 and take them straight to the 200 yard range. 15 mph head wind so was not worried about the wind affecting accuracy. 1st shot hit dead center and then next four in a 1/3 inch group about 1/2 inch right of the first shot. I am gonna duplicate the load and see if a 1 inch group at 200 yrds was a fluke or if I found a great accuracy node.
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Found a great 77gr load with H322
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