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Blackpowder Blank OCTAGON | .45N7 | Twist:710 mm | OD:0 mm | L:850 mm | special rifle steel (LW8)

Technical data "Blackpowder Blank OCTAGON | .45N7 | Twist:710 mm | OD:0 mm | L:850 mm | special rifle steel (LW8)"

barrel blank for black powder (octagon shape)
Caliber: .45N7
Length: 850 mm
Outer diameter [OD]: 0 mm
Material: special rifle steel (LW8)
Bore diameter: 11.35 mm
Groove diameter: 11.65 mm
Grooves: 6
Twist: 710 mm (28 ″)
Weight: 2.88 kg
Wrench size [WS]: 0 mm