.260 Rem on left, right looks like a 6x45??
Bingo....
108 Scenars in the 260, 90 Scenars in the 6x45. The beauty of the Baby 6, aside from thwarting .23 caliber minimum regs, is it flys like M118 (175 SMK @2,600) with 1/2 the powder, no recoil, and twice the fun...