to be honest i dont know exactly...i have a 870 yth 20 that is heavier but it is scoped...
My first dedicated turkey gun was the H&R single shot dipped in Bottomland camo, 12 ga. chambered for 3.5". It weighed as much as a feather, was a joy to carry, and misery to shoot. That gun didn't have the heavier barrel like H&R's 10 ga., so when it went off, it hurt a lot.
Took me 4 rounds to dial it in, used it for a season and traded it. I never thought about shooting a 2.75" or 3" shell through it. I wish I still had that little gun, it would be perfect for long hunts back in the wild areas of PA's mountains.
Looking at that little 20 ga. makes me want to set a single 20 ga. up for H-13 straight 7 as well. That should be a great little shooter for you!