
458 SOCOM Twist Rate: Why 1:10 for 650 gr Subsonic
458 SOCOM twist rate explained: why long, slow 650 gr subsonic bullets need a 1:10 twist instead of the AR15-common 1:14, spin rate by load, signs of a twist that is too slow, and the 1:10 CM7S and CM10 barrels Chattahoochee Munitions manufactures.





