3400 out of a 204 with 40g is pathetic. Dump the 748 and try some BM2 with a short barrel like that. I had a 26" Cooper in 204 doing 3950 with 2206H, and when I cut it back to 21" same load went 3600. Changing to BM2 got it back up to 3800
3400 out of a 204 with 40g is pathetic. Dump the 748 and try some BM2 with a short barrel like that. I had a 26" Cooper in 204 doing 3950 with 2206H, and when I cut it back to 21" same load went 3600. Changing to BM2 got it back up to 3800
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