This theme pen features a chrome plated 30 calibur cartridge case bottom, hand turned camo acrylic top, and scope like clip. It also features a reliable click mechanism for easy one handed use. Highly polished hand turned acrylic is of the HOOAH style of the modern military and goes nicely with the pen theme. A sharp looking pen. Great gift for the sportsman in the family. Uses a Parker style refill and measures approximately 7/16 th inches in diameter and 5 1/2 inches long. Comes in a gray velvet gift box and ships free by USPS Priority Mail.