NEW CARBON SMOKE GEN 2 Mag Features - Improved feed lip geometry allows better compatibility with more receivers - Over insertion tab is larger to increase mag retention - Standard 30-round capacity - Built-in coupler allows multiple mags to be connected together in seconds with no tools or extra parts - No tilt follower with reliable bolt open on last round - Clip on dust cover to keep dirt and debris out during storage - Fast and easy disassembly for maintenance without tools via our specially designed floor plate - Ergonomically designed floorplate makes it easy to grab from mag pouches - Magazine grip ribs gives you superior control - Lifetime Warranty - ADVANCED POLYMER BENEFITS - Extreme Impact Resistance- won't crack or break when dropped - Very resistant to harsh chemicals - Superior heat cold and UV resistance- won't become brittle over time even when exposed to harsh environments or extreme cold - Translucent body- allowing you to see your ammo count and type - Creep resistant- the feed lips and body won't spread when being stored long term even when fully loaded