FN America AR-15 Button Rifled Barrel OAL M4

Chrome lined chamber and bore help resist corrosion and provide heat erosion resistance that greatly improves barrel life, and reliability of chambering / extraction Carbine length mil-spec barrel steel Magnetic Particle (MP tested to ensure each barrel is free of microstresses and/or cracks Government profile, built for .750 diameter gas blocks 1/2 x 28 threaded muzzle 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.

Specifications

• Brand: FN America
• Manufacturer part #: 20-100046
• UPC: 845737008420
• Category: On Gun & Other Accessories › Barrels & Accessories
• Shipping weight: 2.04 lb

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