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Blackpowder Blank OCTAGON | .38N7 | Twist:28 ″ | L:33.465 ″ | special rifle steel (LW8)

Technical data "Blackpowder Blank OCTAGON | .38N7 | Twist:28 ″ | L:33.465 ″ | special rifle steel (LW8)"

barrel blank for black powder (octagon shape)
Caliber: .38N7
Length: 33.465 ″
Outer diameter [OD]: 0 mm
Material: special rifle steel (LW8)
Bore diameter: 0.366 ″
Groove diameter: 0.378 ″
Grooves: 6
Twist: 27.953 ″
Weight: 8.541 lbs
Wrench size [WS]: 0 mm