KABOOM Posted June 27, 2020 Report Share Posted June 27, 2020 Thinkin my next barrel will be a 3 groove 12 inch twist for 22-250 suggestions welcome. 3.4.5 5R all considered. Quote Link to comment Share on other sites More sharing options...
terryh Posted June 28, 2020 Report Share Posted June 28, 2020 Why 3, what was your thinking? Can see the odd number of grooves, that makes sense, but why 3 in a CF? T Quote Link to comment Share on other sites More sharing options...
KABOOM Posted June 28, 2020 Author Report Share Posted June 28, 2020 The theory was the expanding gasses had less surface to be trapped behind so less erosion? Idk for sure. Having shot 2 groove barrels they do clean up faster for sure, Quote Link to comment Share on other sites More sharing options...
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