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This rifle has a 5.56 NATO Chrome-lined barrel with phosphate finish. You can most certainly add optics Jessie. (Specifications and Features): - Item Number: RM400-16B-S - Action: Semi-Auto - Operating System: Direct impingement, rotating locking bolt - Caliber: .223 Rem/5.56 NATO - Overall Length: 35.5" - Trigger Type: MIL-SPEC - Trigger Weight: 7.6 lbs - Barrel Length: 16" - Rifling: 1:7" - Number of Grooves: 6 - Weight without Magazine: 7 lbs - Capacity: 30 Rounds - Direct impingement gas operating system with rotating locking bolt - 5.56 NATO Chrome-lined barrels with phosphate finish - Six-position collapsing stock - Two-Piece Aluminum quad-rail - Accepts most AR-15 magazines - A2 Type flash suppressor - "F" marked fixed front sight.
you sure can add optics and it has a chrome lined barrel specs here RM400-16B-S - Action: Semi-Auto - Operating System: Direct impingement, rotating locking bolt - Caliber: .223 Rem/5.56 NATO - Overall Length: 35.5" - Trigger Type: MIL-SPEC - Trigger Weight: 7.6 lbs - Barrel Length: 16" - Rifling: 1:7" - Number of Grooves: 6 - Weight without Magazine: 7 lbs - Capacity: 30 Rounds - Direct impingement gas operating system with rotating locking bolt - 5.56 NATO Chrome-lined barrels with phosphate finish - Six-position collapsing stock - Two-Piece Aluminum quad-rail - Accepts most AR-15 magazines - A2 Type flash suppressor - "F" marked fixed front sight.
