Albert Arms ALR 338/300

[Armafield]

Out of Germany I believe!
Looks like it's not an AR and the lower reciever is not compatible with any AR10/15 variants.
Kinda like a Modern Hunter.
[URL=http://s1255.photobucket.com/user/bradleeford74/media/DB719260-BACF-46BC-8775-4FD3DF40274F_zpsl17589e9.jpg.html]

 

[driller212]

.338 Lapua and .300 Win Mag, definitely nothing like it here.

http://www.waffen-albert.de/alr-300-wm/