Sniper Rifle - 12.7x99mm BMG - USA - Bolt Action - Robbie Barrkman's employees scaled up their SR-60 rifle to accept the powerful 12.7mm BMG cartridge.  It is a rather conventional package when compared to the other heavy-caliber sniper rifles; however, the Robar 50 retains the accuracy of its small-caliber siblings. D.E. Watters