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Post by omegahunter on Jul 6, 2020 13:57:42 GMT -5
Our local machine shop closed over a decade ago. Does anyone here do any machining?
I need a couple breech plugs opened up from 209 primer diameter to accept 25 ACP brass. It will literally be a few hundredths that they need to be opened up. Depth of the primer pocket will remain the same and I will cut and trim down the 25 ACP brass to establish the headspace I need for the muzzleloader.
Anyone have the ability to do this?
I found a lettered drill bit that would be about right on the money for diameter, but I don't near trust myself to keep everything all squared up and not end up with an out-of-round pocket. Besides that, a lathe would give more precise control to set the pocket diameter about 0.001-0.002" more than the brass and give good seal to the plug.
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Post by stevein on Jul 6, 2020 18:23:43 GMT -5
I have the ability, 40 years in machining but no lathe.
Have you considered a rimmed case? 32 S&W 38 special?
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Post by omegahunter on Jul 7, 2020 6:09:44 GMT -5
I have the ability, 40 years in machining but no lathe. Have you considered a rimmed case? 32 S&W 38 special? I am wanting to keep the brass diameter as close to the primer diameter as I can so that it floods the flash hole instead of giving it too large of a combustion chamber between the primer and the flash hole. There have been a company or 2 in the past that offered a 25 ACP conversion breech plug for the T/C's (ours are not T/C's, but H&R's), so I know the setup will work even with full-length 25 ACP brass. However, cutting the brass down to the length of a 209 primer should put the fire closer to the flash hole and more fire to the powder. Wish you had a lathe!  |
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Post by bullseye69 on Jul 7, 2020 6:41:18 GMT -5
I have 2 lathes and could do it for ya.
Send me a pm
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Post by stevein on Jul 7, 2020 6:56:14 GMT -5
Do they change the firing pin? Shotgun pins are usually larger in diameter than rifle pins.
What is the advantage?
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Post by bullseye69 on Jul 7, 2020 7:01:07 GMT -5
Do they change the firing pin? Shotgun pins are usually larger in diameter than rifle pins. What is the advantage? I would assume they seal better than the 209 does. |
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Post by omegahunter on Jul 7, 2020 7:55:30 GMT -5
Do they change the firing pin? Shotgun pins are usually larger in diameter than rifle pins. What is the advantage? Trying to salvage a couple breech plugs that don't seal well. If the experiment fails, I can order replacement 209 primer plugs from prbullet.com. |
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Post by omegahunter on Jul 7, 2020 7:56:12 GMT -5
I have 2 lathes and could do it for ya. Send me a pm Thanks, I will PM ya. |
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Post by deadeer on Jul 7, 2020 9:35:16 GMT -5
I will vouch for bullseye69's work. Top notch fella to do business with too.
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Post by omegahunter on Jul 22, 2020 14:07:01 GMT -5
Update:
Ended up using Hornet brass as I had plenty that I got with my rifle that had split necks and I did NOT have a shell holder to fit 25 ACP.
I trimmed down 5 pieces of Hornet brass to 0.305" and sent them along with the plug to bullseye69.
Got my goods back in quick fashion and fired it yesterday with much success. No fouling leakage/blowback and the primer modules pluck right out without any resistance.
Happy camper!!
And now I can also vouch for bullseye69's work; top notch indeed!
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Post by bill9068 on Jul 22, 2020 14:54:25 GMT -5
Update: Ended up using Hornet brass as I had plenty that I got with my rifle that had split necks and I did NOT have a shell holder to fit 25 ACP. I trimmed down 5 pieces of Hornet brass to 0.305" and sent them along with the plug to bullseye69. Got my goods back in quick fashion and fired it yesterday with much success. No fouling leakage/blowback and the primer modules pluck right out without any resistance. Happy camper!! And now I can also vouch for bullseye69's work; top notch! Yes he does do great machining work. Bullseye69 threaded a 300 win mag barrel for me and made a muzzle break. Top workmanship. |
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Post by esshup on Jul 23, 2020 1:23:29 GMT -5
Ditto for the great machining work. I had him do some work for me and it was flawless.
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Post by bullseye69 on Jul 23, 2020 8:36:11 GMT -5
Thanks for the compliments guys.
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