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BX20 5mm / .204 Caliber Round Blank

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Product Description

25" premium process round barrel blank, 5 mm / .204 caliber, 1:12 twist , 4140 CM, turned on centers for most concentric bore, button rifled, thermo stress relieved,precision air gauged, breech stamped with caliber and twist rate, turned to precise O.D of 1.06" Bore .201 Groove .205

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Product Reviews

  1. Green Mountain quality keeps getting better 5 Star Review

    Posted by on 24th Feb 2016

    I have turned several of these barrels, this last one is one of the best barrels of any brand i have ever used.

  2. Great barrel 5 Star Review

    Posted by on 7th Dec 2014

    Bought this barrel for my 204 AR build. This was my second barrel purchase, first being SS, both are tack drivers