FN America AR-15 Button Rifled Barrel OAL M4 Size:16"" offering a perfect blend of

offering a perfect blend of functionality and innovation

This 2-in-1 design saves space on an already-crowded duty belt

Merging signature lightweight utility with ultra-premium materials

ready-to-deploy Tri-Folds are shipped to you in their compact

this jacket ensures you stay protected and fashionable wherever you go

FN America AR-15 Button Rifled Barrel OAL M4 Size:16"" offering a perfect blend ofMade 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.