Description
Chadwick & Trefethen 50530 C’ Gilchrist Choke Reamer 20/16 Gauge
Aligns Reamer Concentric to the bore for accurate choke adjusting or removal.
- Enters through the breech and pilots off the bore for precise cutter to bore alignment.
- Expandable, angle blade reamer fine tunes choke size to improve patterns or removes choke prior to screw-in choke tube installation.
- Requires two Clymer Choke Tooling Bushings to center the cutter in the bore.
- Requires purchase of the Gilchrist Handle and two of the proper Clymer bore bushings for use with any of the reamers.
SPECS: Steel. Handle 25- ½” (65cm) long. Reamers 13″ (33cm) long. Expansion range: 20gauge “C” .593″- .656″. 12gauge “D” .656″ – .718″. “E” .718″ – .781″. Select correct diameter bushing for 12 and 20 gauge from Clymer chart listed elsewhere. Pilots not available for 10 and 16 gauge. Tight choked 12-gauge barrels may require the use of the “D” reamer before using the “E” reamer.






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