Yes, this is for a 16" Bolt Rifle in .350 Legend. (Corrected: I had wrongly said 6.5 Grendel. Brain not engaged)
Updated to add that. Thanks.
First time out yesterday with the new Howa. Cold and windy.
3 shots (unsuppressed) touching at 100yds. 3 shots inside 1-1/2 at 200.
My loads. Happy!
And, Thanks to everyone for their helpful replies!