Green Mountain Barrel Blank 50 Caliber Muzzleloading Black Powder Pistol 15/16" Straight Octagon 1 in 20" Twist 12" 1137 Chrome Moly in the White

Product #: 261006 Green Mountain #: 155012

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  • Information
Green Mountain barrels have been winning matches and setting records from the beginning, more than 25 years ago. These barrel blanks offer quality and craftsmanship that is hard to match. From their tapered octagon rifle blanks to their heavy contour muzzleloader blanks, each piece is made to exacting standards for a lifetime of service.

Technical Information

  • Barrel is straight octagon measured across the flats
  • 8 Grooves .009" Depth
  • Requires Polishing and Application of the Finish of your Choice

    Breech Block Sizes
    • 32 and 36 Caliber blanks with a 13/16" or 7/8" width have a 9/16-18 thread breech
    • 40, 45, 50 and 54 caliber blanks with a 13/16", 7/8" or 15/16" width have a 5/8-18 thread breech
    • 45, 50 and 54 caliber blanks with a 1" width have a 3/4-16 thread breech
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