Griffin and Howe heavy barrel M1903 target rifle

[Calfed]

From what I've learned, prior to Ben Comfort using a rifle chambered in 300 H&H magnum, most bull guns were chambered in 30.06 (like my rifle) and based on a 1903 Springfield action.

I mounted a Lyman Super Targetspot on my rifle and comparing it to Ben Comfort's Wimbledon "Bull Gun" is what convinces me that is probably what my rifle was conceived as.