RTB 30 Round AR15 5.56 NATO Magazine - Black Made to the same exacting standards as many high-quality AR15 pattern magazines, this 30rd 5.56mm FDE magazine stands up to the elements with its advanced polymer construction and makes use of its textured style to enhance grip traction in adverse conditions. The red anti-tilt follower provides a positive visual indicator when your mag runs dry and ensures smooth feeding. Raised dot stippling and 360° re-enforcement bands guarantee you've got a grip when swapping magazines. Specifications and Features: 30 Round Capacity magazine