Machined from quality USA-produced 7075-T6 forgings
M16-style fire control group pocket, promotes better compatibility with FRT or FRS (Where legally permitted)
Type 3 Class II hard-coat anodized, Mil-Spec deep matte black
Safe/Semi/Auto selector markings
Accepts all mil-spec-sized lower receiver components
Model: M4A1
Caliber: MULTI (Marked 5.56)
Weight: 8 oz
Threaded for tension screw
