“The rifle he used looks like an H&R.”
The rifle in the picture is a “break open” type which the Springfield is not. The Springfield is called a trap door because of the hinged breach that is lifted to insert the cartridge. By the way I have a real Springfield carbine made in 1878.
Well, I do own a Springfield Officer’s Model trapdoor rifle made by H&R in 1971, but I did point out that the hog hunter’s rifle appears to be a break action single shot; googled & came up with the H&R Handi Rifle which is based on the Topper shotgun, but comes in several rifle calibers.
BTW, I also own an original trapdoor Springfield 1866 converted from a muzzleloading 1863 model. Indians discovered the difference to their dismay at the Wagon Box Fight in 1867.
;^)