Protect your gear with the Allen Co Knit Gun Sock meticulously designed to safeguard your gun against scratches dings dust and marring during travel or storage in your safe or hard case. This high-quality gun sock is a must-have accessory for your hunting firearm or 12 20-Gauge. It is ideal for use with a wide range of firearms and can be used with or without optics. Whether you are storing your gun in a safe or carrying it in a firearm bag this sock ensures comprehensive protection. Allen Company Knit Gun Sock Shotgun Soft Case Heather Gray Polyester 131. Acrylic Knit.