Adams arms upper p2 5.56mm 16" piston m-lok black Other Features: M4 barrel contour, 4150 chrome moly vanadium, muzzle thread 1/2x28, m4 feed ramps, includes bcg mid-length gas system, short stroke piston operated, adams arms m-lok rail, ambidextrous charging handle
Specifications:
| Caliber | .223/5.56 Nato |
| Barrel Material | Steel |
| Rate Of Twist | 1:7" |
| Barrel Finish | Matte Black |
| Barrel Length In Inches | 16.00 |
| Dimension | 4.55 X 5.60 X 37.50 |
