The Amend2 AR-15 Mod-A Magazine is a rifle magazine for AR-15 users, designed for dependable feeding during range drills and field use. Fiberglass-reinforced nylon helps resist feed lip deformation, while textured front and rear surfaces support a secure grip in varied weather. Smooth side panels help magazine changes move cleanly from carriers and gear, and temperature-resistant polymer is built to perform in demanding conditions. Compatible with 5.56x45 NATO, .223 Remington, and .300 AAC Blackout, it's made in the USA and backed by a lifetime warranty.