These reamers are produced from premium M-42 tool steel and are individually hand-stoned to cut smooth and chatter free. Made to SAAMI Specifications for standardized cartridges and to the current industry standard for popular wildcat cartridges. They feature a solid pilot and a 3/8" square drive shank for use with a tap wrench. Right hand cut.
Base diameter .2278
Neck diameter .2264
Angle to rifling from mouth 1 degree, 35 minutes, 1 second
Rim diameter .288
Rim thickness .043
This is a 22 Long Rifle cartridge type
PTG notes this reamer is suitable for a chamber in a semi-automatic firearm
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