16.1" Chrome-Lined M4 Contour Barrel
5.56x45mm NATO Chamber
1:7 RH Twist Rifling
Lightweight, One-Piece Upper Receiver & Quad Rail System
Flip-Up Elevation Adjustable Front Sight
Flip-Up Windage & Elevation Adjustable Rear Sight
4-Position Adjustable Colt Super-Stoc with Cam-Lock
Length: Extended 35.5" / Collapsed 32"
Weight: 6.8 lbs.