Get in on the action with the Spring Colt M4-A1 Airsoft Rifle With Retractable Stock. This rifle is spring powered and single action. It is made of a lightweight, yet high density composite material that makes the gun very durable. This Colt M4-A1 has an adjustable rear buttstock, as well as a removable carrying handle. It has a BAXS shooting system that helps to greatly increase accuracy. This rifle comes with a high capacity 550 round magazine and a sample bag of BBs.