- Caliber
5.56 NATO
Action
Semi-auto
Operating System
Direct Impingement
Magazine Type
Polymer NATO STANAG
Magazine Capacity
30 Round
Barrel Material
4150 Chrome Moly Vanadium HB
Barrel Length
12.5″
Overall Length
31″ with brace extended
Weight
6 lbs w/out Magazine
Gas Length
Mid-Length
Rifling
6 RH Grooves 1:8 Twist
Stock Type
Adjustable SB Tactical SBA3 Brace