Colt

This updated configuration is packed with ambidextrous features and includes a 15" M-LOK compatible rail system that will enable flexibility for every end user. The revolutionary lower receiver and bolt carrier design enable the upper receiver group to be easily swapped out for any Colt MilSpec upper receiver chambered in 5.56 x 45 NATO (.223 Remington), without tools, in under a minute allowing the weapon to be reconfigured to any situation at a moments notice. All operating controls are ambidextrous, providing you with flexibility and ease of use.