You can overdrive the 50 grain, their speed limit is 3600 and are designed for 223 and 221 FB. I use those in my 223 with a 1:8 twist. The 55 grain version is designed for the 22-250 speeds so if you want them faster than 3600 fps then use that version.
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Fur saver Bullets for 5.56
- Thread starter Elkeater
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You can overdrive the 50 grain, their speed limit is 3600 and are designed for 223 and 221 FB. I use those in my 223 with a 1:8 twist. The 55 grain version is designed for the 22-250 speeds so if you want them faster than 3600 fps then use that version.
