Leather that is not buffed is called âfull grainâ because the natural grain retains its markings and characteristics. BYCAST â A split leather with a polyurethane protective coating. Like splits, bycast leather is inferior as it lacks the natural characteristics, elasticity and durability of top grain leather.
Marine Corps Gunnery Sergeant. Gunnery Sergeant Marine Corps Military Ranks. A Gunnery Sergeant in the United States Marine Corps is a specialized non-commissioned officer who manages firepower and logistics for a company-sized unit of Marines. The rank of Gunnery Sergeant is unique to the Marine Corps, and was introduced in the 19th century.
Master Sergeant is the 9th rank in the United States Army, ranking above Sergeant First Class and directly below First Sergeant. A master sergeant is a Noncommissioned Officer at DoD paygrade E-8, with a starting monthly pay of $4,136. How do you become a Master Sergeant? A Master Sergeant is most often promoted from Sergeant First Class (SFC), although promotion from lower paygrades may occur with sufficient display of leadership and experience.