it's not a .50, it's more likely Barrett 98B, a .338
http://images.wikia.com/brink/images/d/dc/Barrett.jpg/http://discussions.texasbowhunter.com/forums/attachment.php?attachmentid=133344&d=1258841263
It has been pointed out that it is a http://world.guns.ru/userfiles/images/sniper/sn82/mauser_sr93.jpg that is chambered in 7.62x51 NATO, .300 Winchester Magnum, or .338 Lapua Magnum.
http://images.wikia.com/brink/images/e/ef/Drognav_Select.png/http://www.superdrummy.com/Dragunov.jpg
It is a http://world.guns.ru/sniper/sniper-rifles/de/dsr-1-e.html
M14 MCS =/= M14 EBR. :thumbsup:
Exactly, http://images2.wikia.nocookie.net/__cb20090227094419/metalgear/images/c/ce/M14_EBR.jpg is made by Sage international, http://i48.tinypic.com/10wr5ux.jpg is made by Troy Industries.
IMHO the Gorund is a mixture of the Troy M14MCS and a M16 due to the http://images.wikia.com/brink/images/2/28/Gerund_FPV.png at the back of the rifle.
http://www.gamesas.com/index.php?/topic/1173072-brink-weapon-derivitives/