OK Muleshoe, I dragged out my Gun Digest Book of Trap & Skeet Shooting, so get ready to highlight and hit <ctrl>-V.
American Standard Bore & Choke Dimensions
____________12 GA_____20 GA
Bore ID______.729______.617
Full_________.035______.025
Imp Mod_____.025______.019
Mod_________.019______.014
SK2_________.012______.009
Imp Cyl______.009______.006
SK1_________.005______.004
Cyl_________.000______.000
(there is also data for 10,16,28, and 410), but I'm not THAT energetic.
The choke dimensions are choke constrictions. (Change in diameter?)
Now, choke styles:
Cone plus parallel (most consistent and even patterns)
Cone
Cylinder
Spreader
WHew, I have got just TOO much time on my hands.
Jason
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"Ray guns don't vaporize Zorbonians, Zorbonians vaporize Zorbonians"
The Far Side
[This message has been edited by jcoyoung (edited February 18, 2000).]
[This message has been edited by jcoyoung (edited February 18, 2000).]