Master Model 1/700 scale Aerials, Masts & Mk110 Gun Barrel - SM700052
Independence Class of Littoral Combat ships (LCS-2, LCS-4) - Aerials, Masts & Mk110 (Bofors) 57mm/70 gun barrel
Set includes turned brass aerials, masts and gun barrel.
It is very simple to use in Your model, and makes it extremely realistic. Simply cut off the original plastic parts and drill a hole in the remaining part. Insert the metal barrel using Cyanoacrylate adhesives.