This is a Allen Gun Sock known as the Gun Sock, model 131.
This knit gun sock is designed to protect your firearm against scratches" dings" dust" and marring when traveling or stored in your safe or hard case. The silicone treatment helps keep moisture away from your gun" which prevents rust.
Features:
Made in the USA
Protects Firearm Against Dust and Scratches
Prevents Rust
