This 5.56 chambered 17.7 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Performance Series barrels feature a FailZero Nickel Boron Coated Extended M4 Feed Ramp Extension. Includes Gas Block
- Length 17.7"
- Material 4150 Chrome Moly Vanadium
- Profile Hanson
- Finish QPQ Corrosion Resistant
- Gas System Length Mid-Length
- Gas Block Journal .750"
- Twist Rate 1:7 inches
- Muzzle1/2x28 Threaded
- Weight 31oz
* Ships / Available for Pick-up in 1-2 Weeks *
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