This is a CZ457 Prefit barrel. Mullerworks 1.180 straight taper. 24″ to 25″ finished length with recessed flat crown. All barrels will be supplied with a test target shot at MCR with proven components. See below for the installation video. Barrels will come with three bolt shims. .0015, .002, and .003 to ensure proper headspace. Barrel shims can also be used but we like to keep these larger diameter barrels up to the face of the receiver and move headspace with the bolt shims.
These ship well packaged in a 5x5x29 box to ensure no damage in transport.
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