OK, went to the range today with the new Grendel I built with the 18" barrel from here on the board that John is selling.
Well my fireforming loads, IMI brass, 23.5gr H4198 and .263 dia 87gr Speer hollow point, yes .263 not .264, I have a bunch of these that I ran across cheap. Well the largest group was .730 w x .515 h smallest was .765 w x .310 h, not bad I thought, so I break out the Hornady 123gr A-Max factory loads.... Well that was a real puzzler for me... .290 w x 1.695 h and .980 w x 2.230 h... OK any idea why the nice fancy factory loads string vertically like that and the funky fireforming loads shoot so well at 100yds???
I am not sure what to think about it, any ideas as to why it would do that besides sun spots, solar winds etc.....
Greg
Well my fireforming loads, IMI brass, 23.5gr H4198 and .263 dia 87gr Speer hollow point, yes .263 not .264, I have a bunch of these that I ran across cheap. Well the largest group was .730 w x .515 h smallest was .765 w x .310 h, not bad I thought, so I break out the Hornady 123gr A-Max factory loads.... Well that was a real puzzler for me... .290 w x 1.695 h and .980 w x 2.230 h... OK any idea why the nice fancy factory loads string vertically like that and the funky fireforming loads shoot so well at 100yds???
I am not sure what to think about it, any ideas as to why it would do that besides sun spots, solar winds etc.....
Greg
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