FN America AR-15 Button Rifled Barrel OAL M4 Size:16" 3in Gun Fit - Springfield

3in Gun Fit - Springfield XD 9/40 4in Gun Fit - Springfield XD 9/40 3in Gun Fit - Springfield XD 45 4in Gun Fit - Springfield EMP 3in Gun Fit - Springfield 911

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FN America AR-15 Button Rifled Barrel OAL M4 Size:16" 3in Gun Fit - SpringfieldFN America AR 15 Button Rifled Barrel OAL M4 Made from a strong mil spec steel with black manganese phosphate finishing, this 16 button rifled FN America barrel is a great choice for any carbine length AR 15 rifle. Chambered in . 223 Rem 5. 56x45mm, this chrome lined chamber with an M4 styled feed ramp will provide more consistent and reliable feeding while shooting. This barrel also features a 1 2 x 28 threaded muzzle and a 1: 7 RH twist rate. Chrome