GC_UPC GLFA AR15 Semi-Automatic Centerfire Rifle 450 Bushmaster 18" Barrel Black and Tungsten Collapsible $869.00 - show more like this 9.99 MidwayUSA GC_UPC GLFA AR15 Semi-Automatic Centerfire Rifle - 850208 $869.00 G450TG show more like this 9.99 MidwayUSA GC_UPC Great Lakes Firearms AR-15 Rifle, .450 Bushmaster, 18" 4150 CRMOV Barrel, 15.25" M-LOK Rail, 6 Position M4 Stock, Tungsten Grey Cerakote- GL15450 TNG $869.00 GL15450 TNG show more like this Calculated in Cart Classic Firearms