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.
An E-6's pay begins at $2,281 per month and rises to $3,533 per month, for more than 20 years' service. The pay for an E-7, a gunnery sergeant, begins at $2,637 per month and rises to as much as $4,189 per month, for more than 20 years of service.The pay for an E-8 starts at $3,794 per month and rises to $4,568 per month, for a master sergeant with more than 20 years of service in the Corps.A master gunnery sergeant, an E-9, is the highest enlisted rank.he field grade officers of the Marine Corps, the Lieutenant Colonels and Colonels, are pay grades O-5 and O-6, respectively. Pay for an O-5, a lieutenant colonel, begins at $4,893 per month and rises, after 20 years' service, to $8,070 per month.