GC_UPC Barrett M107A1 50 BMG, 20" Fluted Barrel, Four Port Cylindrical Muzzle Brake, 10rd $12,867.00 18062 show more like this $29.99 Impact Guns GC_UPC M107a1 50 Bmg Blk Cerakote 20 Fluted Bbl $12,867.00 18062 show more like this Free S/H on Firearms Smoky Mountain Guns and Ammo GC_UPC BARRETT M107A1 $13,261.00 - show more like this 7.99 Guns.com