Shark Coast Tactical Viking .223 Rem/5.56mm, 16" Barrel, Custom Engraving, 30rd Shark Coast Tactical Does in-house laser services including engraving and stippling. They Specialize in Cerakoting, gun-smithing, and custom holster creation. Proving they are the best custom gun shop in the country with this one of a kind Viking Engraving on Both sides of the receiver.