Aut cum scuto aut in scuto
Not that - the shoulder on the .338 Lapua is different.... longer and wider
Not a .338 Lapua. I'm guessing a 510 Whisper...maybe.
Looking more closely, that's a Blaser rifle, and I think the cartridge is a 9.3 x 57
I do believe you are correct.
Looks to be a lead alloy cast bullet, which would fit if someone wanted to handload and stay sub-sonic in addition to the can up front.
The whole thing is quite badly Photoshopped. You decide...
Rifle looks like what you see in Europe, like in that wild boar hunting show on the outdoor channy