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Old 07-30-2012, 03:05 AM
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Originally Posted by RainDodger View Post
Well, I'll tell you. I get decent/satisfactory groups out of M855 with my Sport. I get somewhat less decent groups out of the 193 (55 grain). The 855s seem more consistent. That goes for my 20" SGW also, which is a 1:9 SS barrel. With the 193s, my groups opened up about an inch, and I'd get an occasional flyer at maybe 2".. so, I don't shoot much 193 anymore.
The best I could do with my Sport with M193 was 3 - 5 shot groups into a 3X4" box at 100 yards. I put a free float handguard on my Sport and 3 shot groups with M193 were cloverleafs at 100 yards, when I could hold still enough to get good groups. Here's the M193 at 100 yards 3 shot groups. The red bullseye is 1.5" in diameter.

My Sport really likes PMC 223 55 grain. Gets even smaller groups at 100 yards.

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