FN America 5.56 Button Cut Rifle Length Government Barrel - 18" 1:7 Twist - 20-100042
Out of stock
FN America’s 5.56x45mm AR-15 barrel is a high-quality upgrade to any AR build. The 18” barrel features M16 styling with mil-spec steel construction and a black manganese phosphate finish. The rifle length barrel has a chrome lined chamber and M4 style feed ramps compatible with 5.56x45mm and .223 Remington that help extend barrel life while providing consistent, reliable feeding while shooting. It is threaded in 1/2×28 with a 1:7 RH twist rate.
Features:
- 18” barrel chambered in 5.56 / .223
- Machined from mil-spec steel
- Chrome lined chamber
- M4 style feed ramps
- Rifle length gas system
- Threaded 1/2×28
- Black Manganese Phosphate finish
FN America is a subsidiary of FN Herstal, a global company with a proud, long-standing heritage. They are committed to providing highest quality, dependable, innovative firearms. With an over 127-year history, Fabrique Nationale stands at the cutting-edge of commercial, law enforcement, and military weapons. Every one of FN America’s firearms are hand tested before leaving the factory to ensure reliability and make sure that the product you receive will work when you need it to.
| Weight | 34.08 oz |
|---|---|
| Dimensions | 20 × 3 × 3 in |
| Finish | Nitride / Melonite |
| Barrel Profile | Government / SOCOM |
| Cartridge Compatibility | 5.56 NATO |
| Gas Block Journal | 0.75 |
| Barrel Length | 18 |
| Gas System Length | Rifle |
| Platform | AR-15 |
| Twist Rate | 1:7 |
| Muzzle Thread Pattern | 1/2×28 |
| MPN | 20-100042 |
| UPC | 845737008468 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
