Product Description 10.5″ Phosphate Barrel 1×8 twist .223 Wylde (.223&5.56) . Gas block size is 3/4″ Don’t forget to pick up a hand guard to match your new barrel.
AR-15 Upper Assembly, 16″ Phosphate Barrel, 15″Quad Rail MSRP: Was: Now: $263.99 - $283.99 Choose Options
AR-15 Upper Assembly, 16″ Phosphate Barrel, 15″ Slim Rail- MSRP: Was: Now: $268.99 - $288.99 Choose Options