The Leupold STD 1PC 1-Piece Bases are not compatible with your Marlin Camp rifle.
You will need the Leupold STD 1PC 1-Piece Bases for the Remington 700 for that muzzleloader.
Yes, the Leupold STD 1PC 1-Piece Bases that are compatible with your MK3 are MPN:178121 and MPN:49985.
The Leupold STD 1PC 1-Piece Bases model 50008 will work with a Browning AB3 in .308 Winchester.
These Leupold STD 1PC 1-Piece Bases for the Browning BAR might work with the Benelli R1. From the information I could find they should be the same.
Yes, the Leupold STD 1PC 1-Piece Bases for the Springfield Armory M10903A3 will be compatible with a 1903 Springfield rifle.
The Leupold STD 1PC 1-Piece Bases are designed to fit specific rifles. So they will fit a rifle chambered in 250-3000 Savage depending on what model rifle it is.
Yes. The correct Leupold STD 1PC 1-Piece Bases for your rifle are MPN:50000 (gloss) or MPN:50001 (matte)
The Leupold STD 1PC 1-Piece Bases will come with all hardware needed to install on your rifle.
Yes, you will need this model: LU-MT-BASE-1PC-53056