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21 Posts
Hi,
I have a SR556TD I bought a year or so ago and I am trying to find out once and for all what the barrel twist rate is. I called Ruger and was told by the woman it is 1:8 but I get conflicting info---is it 1:8 as she stated and stated on Ruger.com or is it 1:9 I hear around the 'net? Was there a change by Ruger at some point from 9 to 8? I need to figure out the best bullet wt without spending money on ammo needlessly. Thanks
I have a SR556TD I bought a year or so ago and I am trying to find out once and for all what the barrel twist rate is. I called Ruger and was told by the woman it is 1:8 but I get conflicting info---is it 1:8 as she stated and stated on Ruger.com or is it 1:9 I hear around the 'net? Was there a change by Ruger at some point from 9 to 8? I need to figure out the best bullet wt without spending money on ammo needlessly. Thanks