Firearm purchases require a background check and must be picked up in person by the purchaser
SBR transfers will not be accepted 
Here are some specs for the Remington Model 770:
Mass: 8.5 lb (3.9 kg)
Length: 42.5 in (108 cm) for standard, 44.5 in (113 cm) for magnum
Barrel length: 22 in (56 cm) for standard, 24 in (61 cm) for magnum
Cartridge .243 Winchester, .270 Winchester, 7mm-08 Remington, 7 mm Remington Magnum, 30-06 Springfield, .308 Winchester, .300 Winchester Magnum 
In 2022, Remington recalled thousands of bolt-action rifles, including the Model 770, to replace the triggers with the new Remington XMark Pro triggers