Choke diameters?

muleshoe · June 20, 2000, 12:30 PM

Does anybody have any idea what the ID's are for full, mod., and i/c chokes for a 20 ga.? Thanks.

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bullet placement is gun control

Dave McC · June 21, 2000, 05:52 AM

I'm no expert here, but the Brits use the idea of Points of Constriction, each point being .001 inch.I forget the actual divisions, but up to 15 Points or so is IC,up to 25 is Mod,and so on.

If you know your bore diameter,you can exterpolate from there...

June 20, 2000, 12:30 PM	#1
muleshoe Senior Member Join Date: January 3, 2000 Location: Mills County, IA Posts: 410	Does anybody have any idea what the ID's are for full, mod., and i/c chokes for a 20 ga.? Thanks. ------------------ bullet placement is gun control

June 21, 2000, 05:52 AM	#2
Dave McC Staff In Memoriam Join Date: October 14, 1999 Location: Columbia, Md, USA Posts: 8,811	I'm no expert here, but the Brits use the idea of Points of Constriction, each point being .001 inch.I forget the actual divisions, but up to 15 Points or so is IC,up to 25 is Mod,and so on. If you know your bore diameter,you can exterpolate from there...