The LWRC IC-A5 Individual Carbine chambered in 5.56 NATO is an AR-15 style rifle that incorporates LWRC's award winning short stroke gas system with features that are directly derived from the rifle LWRC developed for the US Army's Individual Carbine program. With features like a 12 SPR style modular rail system and an adjustable gas block which allows the user to choose between a suppressor setting or unsuppressed the IC-A5 is perfect for almost every need that you might have. The cold hammer forged, spiral fluted 14.7 barrel with a 1:7 twist is perfect for a wide variety of the best ammunition on the market. LWRC also includes their folding LWRC Skirmish back up iron sights and Magpul MIAD pistol grip as well as a 30 round Magpul PMAG.