Hellbreaker's distinctive appearance is inspired by the P-40 Warhawk, which was one of the United States' most-produced fighter planes when World War II began. The "nose art" that became a popular military tradition was born from the practical need to identify friendly units, but eventually evolved to express a squadron's individuality. Considering the vast majority of AR-15 lowers look the same, Sharps Bros thought it was time to improve upon the standard and create some visual diversity in the market. The fierce Hellbreaker lines are where looks meet performance: it takes painstaking detail work to machine each tooth point and eyebrow curve. FeaturesThreaded bolt catch pin installed (1/16" Hex head)An oversized and integral trigger guardA beveled magazine flare that helps you load as quickly and efficiently as possibleMachined top to bottom from 7075-T6 aluminum, a peak-strength corrosion-resistant aluminum alloyA hard coat anodize finish per MI...