FN America Ar15 Barrel, 16inch Hf M4 5.56 CarbineThe Bore And Chamber Are Chrome Lined To Help Resist Corrosion And Provide Resistance To Heat Erosion Which Greatly Improves Barrel Life And Reliable...
FN America Ar15 Barrel, 14.7inch Bb M4 5.56 CarbineThe Bore And Chamber Are Chrome Lined To Help Resist Corrosion And Provide Resistance To Heat Erosion Which Greatly Improves Barrel Life And...