DETAILS
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
Additional information
| Weight | 33 oz |
|---|---|
| Dimensions | 15 × 2 × 2 in |
| Thread Pitch |
2 reviews for FN 5.56 Button Cut Rifle Length Government Barrel – 18”
Only logged in customers who have purchased this product may leave a review.
Metallica352 (verified owner) –
Was able to snag this barrel on sale for less than other manufacturers. Thanks Big Tex!
The barrel is beautiful. It has a dark gray finish and a chrome chamber, rifling, and crown. I’m sure it’ll be a great shooter onemce it’s cut for an A2 sight.
Metallica352 (verified owner) –
Was able to snag this barrel on sale for less than other manufacturers. Thanks Big Tex!
The barrel is beautiful. It has a dark gray finish and a chrome chamber, rifling, and crown. I’m sure it’ll be a great shooter onemce it’s cut for an FSB