- Platform: AR-15
 - Material: 4150 CrMoV steel
 - Finish: Black Nitride
 - Chambering: .223 Wylde
 - Twist rate: 1:5
 - Overall length: 5”
 - Gas system length: Micro gas
 - .750 gas block
 - Thread Pitch: 1/2-28
 - Made in the USA
 
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5.5” 5.56
Very happy with the product, fast delivery. had to source a micro gas tube but that wasn’t the end of the world.