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Mfg Item #: 36424
FN AR-15 Hammer-Forged Barrels have a chrome-lined chamber and bore to help resist corrosion and provide heat erosion resistance. There barrel is forged from Chrome Moly Vanadium steel and built for the .750" diameter gas block with 1/2x28" threaded muzzle. It has an M4-style feed ramp and barrel extension for consistent and reliable feeding. This barrel is chambered in 5.56 NATO with a 1:7" twist with a manganese phosphate finish.
| Type | Rifle |
|---|---|
| Model | AR-15 |
| Twist | 1:7" |
| Finish | Black Phosphate |
| Length | 20" |
| Series | Hammer Forged Barrel |
| Sights | None |
| Bore Type | Rifled |
| Barrel Type | Rifled Cold Hammer Forged |
| Barrel Features | 1/2"-28 tpi |
| Caliber Or Gauge | 223 Rem/5.56 NATO |