I need a #21 or #22 Mec bushing to throw some AA Super Handicap powder into an AA hull, but the bushings aren't available locally.
Smaller used bushings I can find. So I thought I'd drill one out until it throws the powder weight I want.
Glories of the Internet: I found a guy who estimated the internal diameters of MEC bushing based on a couple he had. Not sure how accurate it is, but it's a start.
MEC bushings Internal Diameters from Shotgun Forum.pdf
More info on the process
https://www.shotgunworld.com/threads...shings.204955/
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In the interim try some of the 3d printed bushings available on Ebay - I've even had the guy make me some custom bushings in "a" or "1/2" sizes.
I can add the measurement of a 09 MEC bushing to that list - 0.261"
Others I've measured using a hole-gauge and calipers:
10 = .265"
11 = .272"
12 = .283"
Last edited by AndyC; 04-16-2022 at 03:43 PM.
Here's another chart a fellow found and posted.
Last edited by Liberty1776; 04-18-2022 at 05:25 PM.
Gotta love arbitrary numbering systems, why call it a .5, when you can call it a 38…
Same people must have come up with “grains volume” vs the actual weight of the charge in grains.
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