20'' Front Sight Based Barrel (5.56)
Anderson's 20'' FSB Barrel, featured on the A4 Rifle, brings many advantages to your rifle. This 20'' barrel gives the round more time to accelerate, giving you increased muzzle velocity, increasing effectiveness on long-range targets.
The rifle-length gas system makes the gas travel further which effectively reduces the felt recoil and internal ware on parts like the bolt carrier group.
The 20'' FSB Barrel gives you a longer sight radius to enhance accuracy.
This barrel comes with a triangle handguard cap and an A2 Barrel Nut
Made in Hebron, Kentucky, USA
| Caliber | 5.56 NATO |
|---|---|
| RF-85 Treated | Non-treated |
| Barrel Length | 20 inches |
| Barrel Material | 4150 Chrome Moly Vanadium |
| Barrel Finish | Nitride |
| Barrel Contour | Government Profile |
| Twist Rate | 1:9 |
| Federal Firearm License Required for Purchase | No |
| Gas System Length | Rifle Length |
| Gas Block Diameter | .750 inch |
| Thread Pattern | 1/2 - 28 |
| Weight | 4 |
| Unit of Measure | EA |
| Product UPC | 640901516936 |
| Lead time | Days |
| Country of Manufacture | United States |
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