Barrel, .54 caliber, 15/16" octagon, 42", 1-56" twist, 5.1 lb, crowned, 5/8-18 thread, by Colerain.
All sizes are nominal. Please verify with description for more information.
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Barrel Profile
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Straight Octagon
0.937" ( 15/16" )
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Brand of Manufacturer
Colerain Barrel Company
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