The M4 RIS EC2 Skirmish is Classic Army's entry level carbine. Utilizing Classic Army's nylon fiber allows for a lighter weight platform while ensuring playable durability in a cost efficient package. The M4 RIS EC2 Skirmish features a high rate of fire along with a 300rd high capacity magazine so you can put more BBs on target faster than you can count. It also features a 9.75" quad rail system for attachments of lights, lasers, bipod, or forward grip. Front and rear flip up sights are included with plenty of rail space for you to mount a scope. The quick change spring feature allows you to change the power of the gun quickly and easily (upgrade spring not included) so you're ready for all environments and ranges of play.