About the outside, the gun has Cerakote on all metal surfaces to resist rust and abrasion. The camo synthetic stock has removable spacers on the butt to allow length-of-pull adjustment, and stock spacers allow some adjustment of drop and cast. The Thunder Ranch 590 is often a take on Mossberg’s https://mossberg-940-jm-pro-probl81346.bloggactif.com/26952804/the-fact-about-mossberg-940-loading-port-that-no-one-is-suggesting