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Post by Deleted on Sept 24, 2014 16:15:42 GMT -5
its a center fire plug or can be adapted to other platforms..
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Post by Jon on Sept 24, 2014 18:45:10 GMT -5
I have 2 0f Jeff's plugs and they are totally different from what is pictured here. Does this mean if I were to need/want one I will not be able to get a replacement? I'm aware they are a center fire plug.
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Post by hankinsrfls on Sept 24, 2014 21:13:56 GMT -5
I have 2 0f Jeff's plugs and they are totally different from what is pictured here. Does this mean if I were to need/want one I will not be able to get a replacement? I'm aware they are a center fire plug. Jon... Don't get excited. The plug pictured is the bushing plug and the plugs you have are the drilled vent style. I did shorten the over all length of the plug(s) by .300 as I felt it was not necessary. Any rifle out there that uses my plug will be able to use this new style plug... Just screw it in and go... Easy as that.. Jeff..
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Post by hankinsrfls on Sept 24, 2014 21:24:55 GMT -5
Very nice Jeff! From my experience with bushings, you might want to flatten the bushing end of your lock screw. and take the slight taper out of the top of the bushing hole. Pure Tungsten is somewhat brittle and needs all the support/contact area you can get. I wonder about removing the threads above the lock ring. They might crud up and gall upon removal? The end of the set screw is perfectly flat so it puts pressure squarely on the bushing. Grinding it by hand would make it not square, machining that little screw would be difficult and time consuming so I decided to leave it as it is. Removing the unused threads would add another tool change to the process so I left them in there. The bushing is a slight press fit and once installed I see no reason to ever remove it. So leaving those threads in there doesn't seem to hurt anything to me. However if someone wanted to drill them out that would not effect the integrity of the plug. Jeff.
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Post by hankinsrfls on Sept 24, 2014 21:30:28 GMT -5
Your in a league of your own Jeff! Great know how and workmanship!! There's a lot of guys that can machine parts as good as I can and many of them may even be better, it's just that I prefer to make rifles and some rifle parts for the SML.. Other machinist are cutting out custom wheels for OCC and parts for AR15's...even today's compound bow risers or extreme works of art.. Jeff .
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Post by hankinsrfls on Sept 24, 2014 21:51:55 GMT -5
If you are a machinist it never gets old making chips. Do you temper after hardening? Nice work Jeff and good post. I do not temper my 416 SS. Here is why.. The reason for heat treating 416 is not to make it hard, it is to change the molecular structure of the steel to maximize its corrosion resistance. Un heat treated 416 SS will rust, heat treated it will not rust as fast,,, At full hardness it is only 36-41 on the Rockwell scale. That's still pretty soft compared to a knife blade at 59-60 RC hardness. At 36-41 RC the steel can still be filed, drilled and machined, it's just not as easy as it is in the fully annealed state. Most other steels I heat treat are tempered, when required. 01, D2, A2, 440C and ATS34.. To name a few. Jeff.
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Post by hankinsrfls on Sept 24, 2014 21:53:43 GMT -5
Jeff did you do away with the unthreaded nose of the bolt to shorten the plug for the bushing and because the unthreaded nose isn't really needed? I shortened the plug .300 because it was not needed and took up unnecessary space in the barrel.. Jeff.
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Post by hankinsrfls on Sept 24, 2014 21:59:47 GMT -5
Thanks Jeff for the sharing the picture process, very informative. I do have a question from your cut away photo. Why is the plug as long as it is if the tungsten bushing is seated that deep into the plug? Is it to have more plug engagement into the barrel? I shortened the plug .300. The length of the plug was based on other plugs manufactured for use in knight rifles. There is a minimal amount of threads needed to hold the plug securely in place and I feel that I have that amount and then some. I am aware that the Remington ML plug is about half as long as my plug but it is required to hold back about half as much pressure as my plugs are required to hold back.. Jeff
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Post by hankinsrfls on Sept 24, 2014 22:02:37 GMT -5
The things I'd do for your equipment. ... Nice picture show. Looks like you expect to do a few SML barrels. This time last year I had 170 plugs made, last week I had to tell Hammer it would be a few weeks before I had some more... He's happy to know I'm a week ahead of schedule... Shipped them today... Jeff.
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Post by hankinsrfls on Sept 24, 2014 22:05:48 GMT -5
Very interesting photo tour. Thanks for sharing. I talked with Jean at Bullberry this afternoon.. My 45-70 barrel and drop should be shipped real soon. Does the design of your combination sizing die system allow you to full form size bullets from multiple rifles if multiple barrel drops are provided? Yes,,, one sizing die body and cap will size as many 45 caliber barrels as you have bushings for. To switch to a different caliber you will need a different cap to fit the new caliber bushing. Jeff
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Post by hankinsrfls on Sept 24, 2014 22:08:43 GMT -5
No wonder your orfice lasts so long! Those babies have to be harder than heck after you're done. Ever had to cut out a stuck plug? Very nice work indeed The hardest they can get is 41 RC.. That's still soft enough to drill or file.. I have never had a stuck plug to cut out.. Sounds like fun though... Jeff..
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Post by hankinsrfls on Sept 24, 2014 22:12:58 GMT -5
yes very interesting, looking forward to getting the .416 suited up for one of those plugs.. Bill.. The plug without the bushing is working pretty darn good in my 416 so far.. No pressure signs or flattened primers... Got the 350 grain CEB bullets up to 3100 last time I shot it... Man that's gonna brake a deer in half.. I guess I should aim for its head... Jeff..
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Post by hankinsrfls on Sept 24, 2014 22:24:08 GMT -5
Thanks to all the rest of you guys for the positive comments.. Jeff.
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Post by Jon on Sept 25, 2014 9:30:20 GMT -5
Jeff. Thank you for explaining the difference. I kind of like the unthreaded nose to keep some of the heat and pressure off the threads? Can your old style plug be modified for a bushing? Do you have the info. on the bolt nose you are using on the ml1 plug to fit your standard module? I'm aware that the bolt nose on the savage can be changed but having a module that fit the .223 could open up other possibilities for builds. I have cut down .223 brass modified for a large rifle primer with no problem. I think I could even stretch it to fit a 209 if necessary?
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Post by hankinsrfls on Sept 25, 2014 12:36:49 GMT -5
Jeff. Thank you for explaining the difference. I kind of like the unthreaded nose to keep some of the heat and pressure off the threads? Can your old style plug be modified for a bushing? Do you have the info. on the bolt nose you are using on the ml1 plug to fit your standard module? I'm aware that the bolt nose on the savage can be changed but having a module that fit the .223 could open up other possibilities for builds. I have cut down .223 brass modified for a large rifle primer with no problem. I think I could even stretch it to fit a 209 if necessary? The unthreaded portion of the plug does not take away any stress on the threads and probably no heat either since the plug is hollow and 90% of it is subject to powder burning, the amount is still the same. It would be easier for you to buy my bushing plug than it would be to modify the one you have, but yes it can be done if you have the tools and know how to do it. It would also be much easier to change your bolt head to a standard 308 bolt face than it would be to modify a bunch of 223 cases. but if you want to order 25 of the modules to fit your plug with a 223 case head I will make them for you. Jeff.
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Post by Jon on Sept 25, 2014 13:16:12 GMT -5
Jeff. Thank you I would like to order 25 modules for the .223 ml1 bolt Please give me a price since it will be a one off item. If you would prefer you can pm me the price. Is the firing pin the same on the ml1 as the standard 308 bolt face?
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Post by outlaw on Sept 26, 2014 16:59:45 GMT -5
im always wanting to improve my rempac. what advantage would your custom plugs have over the standard savage plug? and how much does said plug with bushings cost??
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Post by hankinsrfls on Sept 26, 2014 18:05:41 GMT -5
Is your rempac a center fire conversion or was it an ML to start with?
My system only works with center fire actions.
Jeff.
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Post by 12ptdroptine on Nov 16, 2014 16:34:38 GMT -5
Very impressive Jeff. You seem to be quite the "craftsman" Drop
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