Terminal Lance - Marine Corps fact of the day: the rank of Master Gunnery Sergeant depicts a pineapple. This is a reference to the prickly exterior and the digestive enzymes contained within
USMC Black Metal Solid Brass Gunnery Sergeant Chevron – Vanguard Industries
Master Gunnery Sergeant Rank Decal – The Marine Shop
Insignia, Rank, Master Gunnery Sergeant, United States Marine Corps | National Air and Space Museum
Amazon.com: Marine Corps Gunnery Sergeant Black Collar Device Rank Insignia Pair : Automotive
Amazon.com: Marine Corps Master Gunnery Sergeant Black Collar Device Rank Insignia Pair : Automotive