The FN AR-15 Button Rifled Barrel is a high-quality barrel accessory specifically designed for 223 Rem | 5.56 NATO caliber AR-15 rifles. It features an 18" length, rifle length gas system, M4 style feed ramps, chrome lined chamber and bore, and a durable manganese phosphate finish.
Specs
| Model No. | FN20-100042 |
| Model | AR-15 Button Rifled Barrel |
| Manufacturer | FN |
| Color | Manganese Phosphate Finish |
| Caliber | 223 Rem | 5.56 NATO |
| Barrel Length | 16 |
| Weight | 2.15 |
