The Bore Guide assures perfect alignment of a cleaning rod to the bore, prevents solvent contamination of magazine and trigger mechanism, and protects a rifle's finish. If you're serious about cleaning your rifles these are a must! BGR-S-40 Fitment .17 to .243(6MM) calibers.Read more
.17 to .243(6MM) calibers. Fits Remington 700, 788 long actions; Winchester 70 short actions; Savage 110; Weatherby Mark V long actions and Vanguard actions; Ruger 77 long actions.