Cylinder Throater

Easy to use, hand turned reamer opens the cylinder throat to a uniform diameter for best accuracy with lead and jacketed bullets. Removable pilots let you select the correct pilot for the closest possible fit to individual chambers.
Pilot Packs for each caliber contain six additional pilots in .0005″ increments.
.45 Caliber corrects out of spec, smaller-than-bore-diameter cylinder throats on .45 Colt and other .45 caliber revolvers.
Opens throat to .4525″. Provided with .4480″ diameter pilot. .45 Caliber from .4485″ to .4510″
.44 Caliber fits .44 Magnum, .44 Special and .44-40 revolvers.
Opens throat to .431″. Furnished with .4270″. Pilot.44 Caliber from .4275″ to .4300″.
.357 Caliber from .3545″ to .357″.
Open the throat to .358″. .357 furnished with a .357″ thru .359″ pilots.
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Showing all 4 results
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.32 Cal. Throating Cutter
$38.00Uniforms the chamber throats in the cylinder of a revolver for best accuracy.
Includes 7 pilots, cuts 32 caliber cylinders.
NOTE: No gauges are available for shipment with this reamer.
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.38/.357 Special Throating Cutter
$38.00Uniforms the chamber throats in the cylinder of a revolver for best accuracy.
Includes 7 pilots, cuts .358
NOTE: No gauges are available for shipment with this reamer.
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.44 Special Throating Cutter
$38.00Uniforms the chamber throats in the cylinder of a revolver for best accuracy.
Includes 7 pilots, cuts .431
NOTE: No gauges are available for shipment with this reamer.
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.45 Cylinder Throating Cutter
$38.00Uniforms the chamber throats in the cylinder of a revolver for best accuracy.
Includes 7 pilots, cuts .452
NOTE: No gauges are available for shipment with this reamer.