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Description
Gorilla Machining AR-9 9MM Luger Barrel 1/10 Twist 4.5" 1/2X36
Manufacturer: Gorilla Machining
Chamber: 9MM LUGER
Contour: Heavy Contour
Fluted: No
Length: 4.5"
Twist Rate: 1:10
Gas System: NONE
Diameter at Gas Port: .750
Thread Pitch: 1/2x36
Feed Ramps: Yes
Material: 4150 CMVS
Finish: Black Nitride QPQ
Process: BUTTON RIFLED
Lining: Black Nitride
Extension: NONE NOT PINNED
Assembly: Stripped
