This 8 piece kit makes chambering a barrel easier, and is for use by experienced gunsmiths and machinists only. Detailed instructions are included.
8-piece kit (5 different length bodies (ranging from .750-1.750), 2 collars (.375 and .625) and a micrometer dial)
Each body has four laser-engraved marks that sit 90 degrees from each other for reference marks
Each body fits standard .4375 reamer shank and are counter-bored .640
Each body is threaded 40tpi for .500
Micrometer dial has 25 even-spaced markings, with every 5th marking represented by a reference number
Micrometer dial has approximately .250 adjustment with each body
There are extensive and well written instructions for the use of this product
This is intended for use by professional gunsmiths and machinists only
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