RimX barrel with EC tuner

KS arms 24” barrel, 14 twist heavy Varmint contour.  Chambered by Go-Ballistic gunsmithing.  
Includes threaded EC barrel tuner.
500 ish rounds down the barrel, shoots everything very well, did the best with Lapua Long range and Centre X.

Well over $1500 spent on this barrel/ tuner/ machining.

$800 shipped