Attributes:
- ADDITIAL FEATURE 1: Chrome Lined Chamber and Bore
- ADDITIAL FEATURE 2: M4 Style Feed Ramps
- ADDITIAL FEATURE 3: Midlength Gas System
- CALIBER/GAUGE: 223 Rem / 5.56 NATO
- DESCRIPTION: MIDLENGTH GAS SYSTEM
- FAMILY: Accessories
- FINISH: Applied Finish
- MANUFACTURER: FN Herstal
- MANUFACTURER MODEL NUMBER: 20-100038
- MODEL: AR-15 Button Rifled Barrel
- RATE OF TWIST: 1 in 7" RH Twist
- UPC: 845737008451
