Combat Armory AR9 4.5" 9mm 9x19 1:10 1/2x36 Barrel 416 Stainless Steel Black

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Combat Armory Manufacturing AR9 4.5" 9mm 9x19 1:10 1/2x36 Barrel

Barrel Coating Black Nitrite
Barrel Contour Medium
Barrel Length 4.5
Barrel Material 416R Stainless Steel
Caliber Gauge. 9MM 9x19
Feed Ramps Polished
Gas System: Blow Back
Thread Pattern 1/2 X 36
Twist Rate 1:10
No indicator pin simple install just secure with barrel nut

Combat Armory machinist take pride in delivering the very best for our customers used by Military, Police, and Firearms enthusiasts