is the twist rate wrong?

The 8 twist is what you want for a 300 AAC Blackout shooting 220's suppressed at subsonic speeds.
As everyone else has said 10 twist would be better for a RUM
 
Warning! This thread is more than 12 years ago old.
It's likely that no further discussion is required, in which case we recommend starting a new thread. If however you feel your response is required you can still do so.

Recent Posts

Top