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Old 12-10-2010 | 10:05 AM
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ronlaughlin

Thanks Ron... I thought he was working with a regular CVA plug...

So question when the gun is closed does the knurled rim of the QPBP contact the reciever block of the gun snugly?

I really wish I had one to play with I would love to modify one of those plugs but i am not running out an buying a CVA....

Second question... What should the OAL be on QRBP with a w209 installed to be touching the pin bushing... for that matter what should the OAL be for a regular hex head CVA plug....
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Old 12-10-2010 | 10:58 AM
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Originally Posted by sabotloader
ronlaughlin

Thanks Ron... I thought he was working with a regular CVA plug...

So question when the gun is closed does the knurled rim of the QPBP contact the reciever block of the gun snugly?

There is enough space so that one can put a piece of paper there, and close the action, however one cannot remove the paper with the action closed on it.

I really wish I had one to play with I would love to modify one of those plugs but i am not running out an buying a CVA....

What do you want to do to it? Mine has a vent liner installed. Two other fellas have vent liners installed in theirs.

Second question... What should the OAL be on QRBP with a w209 installed to be touching the pin bushing... for that matter what should the OAL be for a regular hex head CVA plug....

First of all, that measurement would be different for each individual rifle. I don't know what it is for my rifle and the QRBP. It could be one day i will make a QRBP, and, of course, at that time i will need to know.

As for the hex head plug, i just received a note from a fella saying he couldn't close his action on one of my plugs with a W209 in place, but that it will close on a 209A. Now, i cannot measure the OAL here, because he has the plug, but i will guess for his rifle a good OAL using the W209 will be around 1.305". That is a guess. That is a guess. Another fella ordered a plug with an OAL of 1.310".

A while ago you installed vent liners in plugs for Saxman. The CVA lad got them to test in his rifle. He wrote about getting a lot of blow by. So.........thinking his rifle was some loose, i figured i would send him a plug with a little longer OAL than some
. This is a guess, but the plug i sent him probably had an OAL of near 1.310" with a W209 in place. The plug isn't here, so i can't measure it.
Well, i hope this helps.
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Old 12-10-2010 | 11:55 AM
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ronlaughlin

Check the orange text.... also if you get a chance check this busta information on the last page of this, about his development of the BP for a NEF. Just some general information..


http://www.modernmuzzleloader.com/ph...=140919#140919



Thanks Ron... I thought he was working with a regular CVA plug...

So question when the gun is closed does the knurled rim of the QPBP contact the reciever block of the gun snugly?

There is enough space so that one can put a piece of paper there, and close the action, however one cannot remove the paper with the action closed on it.

I really wish I had one to play with I would love to modify one of those plugs but i am not running out an buying a CVA....

What do you want to do to it? Mine has a vent liner installed. Two other fellas have vent liners installed in theirs.

Did you also then open the flash channel? And did you modify the head sapce? If you did what should the OAL be? Did you sink the vent liner into the plug farther than the original flash hole?

Second question... What should the OAL be on QRBP with a w209 installed to be touching the pin bushing... for that matter what should the OAL be for a regular hex head CVA plug....

First of all, that measurement would be different for each individual rifle. I don't know what it is for my rifle and the QRBP. It could be one day i will make a QRBP, and, of course, at that time i will need to know.

As for the hex head plug, i just received a note from a fella saying he couldn't close his action on one of my plugs with a W209 in place, but that it will close on a 209A. Now, i cannot measure the OAL here, because he has the plug, but i will guess for his rifle a good OAL using the W209 will be around 1.305". That is a guess. That is a guess. Another fella ordered a plug with an OAL of 1.310".

When we were making the Lehigh we had the same problem rifle to rifle so I left a .005/7 tolerance in the depth of the primer pocket to hopefully handle that and other primers. Just reading your stuff - i bet the 1.310 could be close to a universal number.

A while ago you installed vent liners in plugs for Saxman. The CVA lad got them to test in his rifle. He wrote about getting a lot of blow by. So.........thinking his rifle was some loose, i figured i would send him a plug with a little longer OAL than some. This is a guess, but the plug i sent him probably had an OAL of near 1.310" with a W209 in place. The plug isn't here, so i can't measure it.

At the time i modified his I had no way of headspacing and he had indicated that his was pretty clean to start with - so i just modified the flash channel and the added a vent liner. The vent liner tends force some of the blow back away from the flash hole. If the timing is right with the exit od the bullet it will suck the blow back right out the barrel with it.

Last edited by sabotloader; 12-10-2010 at 12:19 PM.
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Old 12-10-2010 | 01:42 PM
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Originally Posted by sabotloader
When we were making the Lehigh we had the same problem rifle to rifle so I left a .005/7 tolerance in the depth of the primer pocket to hopefully handle that and other primers. Just reading your stuff - i bet the 1.310 could be close to a universal number.
Had i not just endured a very unpleasant experience with an individual that didn't understand such things, i would probably agree, but now i think that would be too long. Now my inclination would be an OAL of 1.305".

Originally Posted by sabotloader
Did you also then open the flash channel?

No. The #21 drill was only run deep enough to make the threads for the vent liner.

And did you modify the head sapce?

No.

Did you sink the vent liner into the plug farther than the original flash hole?


Ha, what do you think?











I was so happy you asked about the QRBP, because the easiest way to explain, was to show a picture. This meant i had to remove it from the rifle. Removing the QRBP gives me a 'thrill'. It seems to unscrew itself. This time there is 21 shots on the plug. Note the threads. Note the small amount of soot on the primer end. The way the plug marries the barrel, seems to work better than i ever imagined it could. No grease, no teflon wrap, no blow by around the threads.

The bullet is a 300g Deep Curl found in the dirt. The primers on the left came from the Accura, and measure 0.294" to 0.295" long. Of course i was using a home made plug in the Accura, that was head spaced to achieve a 'crush' of these primer. The primers on the right came from the V2, and measure 0.311" to 0.313" long.


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Old 12-10-2010 | 01:46 PM
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ronlaughlin

thanks - got the information...

Thinking i will just stay out of the CVA world and let you handle it...
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Old 12-10-2010 | 04:27 PM
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Originally Posted by sabotloader
ronlaughlin

thanks - got the information...

Thinking i will just stay out of the CVA world and let you handle it...
Well, that is too bad. If you have no CVA, then you will not be able to experience the creep, and grittiness of the V2 trigger.

Making them hex head breech plugs, had been quite fun for me, before i had to deal with the CVA lad.

One thing i did forget to mention; the V2, and the Accura were 100% reliable with BH this past week. There were several mornings with single digit temperatures at daylight. Both rifles were left loaded, and uncleaned over night in the cab of the pick-up. The true test will come later when it turns below zero. I suppose you may doubt the truth of this, because of the one only having a 3mm flash channel, and the other with a 1/8" flash channel, but it is true. What i mean is, from what you have previously written, and from what the shill has written, in order for a breech plug to be successful, it doesn't need a 'powder pocket', but it does need a larger flash channel than these plug have, and a vent liner.

After muzzle loader season is over, i think i will put a scope on one of these rifle. They seem some accurate with iron sights, but i just have one devil of a time focusing on the front sight of the Accura, and on both front and rear sight of the V2. However, squeezing through that creep will be quite irritating with a scope mounted.
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Old 12-10-2010 | 04:31 PM
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creep grittiness is most likely due to the grease thats coated on the internals, theres a special tool to pull out the inners but i dont have one. I use carb cleaner or as of yesterday, gun scrubber to blow out the internals and then follow up with a good coating of Barricade. Beautiful triggers on all my rifles. Except for the Mosin, i dont think anything can help that haha.
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Old 12-10-2010 | 04:45 PM
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ronlaughlin

Well, that is too bad. If you have no CVA, then you will not be able to experience the creep, and grittiness of the V2 trigger.
WHUT!!! thought it was smooth a glass...

What i mean is, from what you have previously written, and from what the shill has written, in order for a breech plug to be successful, it doesn't need a 'powder pocket', but it does need a larger flash channel than these plug have, and a vent liner.
Not sure that is what I said, at least not that way... the 3mm and 1/8 will work and as you said eventually they will fail if you do not keep on your maintenanace. I, and several others that know these things, believe the larger diameter flash channel will make the plug more efficient and reduce upkeep maintenance. The necessity of the powder cup, needed for ignition, is also negated with the combination of the two modification (increased size of the flash channel and the addition of the Vent liner) Further the addition of the vent liner makes your one breech plug a life time plug.

Who is the shill in your world? is that me? I certainly do not try to be...

Have you though about putting a peep on the rifle... My eyes are bad enough that works well for me... of course a scope with a fast focus ring on the eye peice would probably be great for you...

Last edited by sabotloader; 12-10-2010 at 04:48 PM.
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Old 12-10-2010 | 05:11 PM
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Ron,New plug with my Win W209 measures 1.300"

I tested with 10 primers and the lowest it got down to was 1.298" Nothing over 1.300"

CCI mags are 1.293"
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Old 12-11-2010 | 03:59 AM
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Originally Posted by sabotloader
ronlaughlin



WHUT!!! thought it was smooth a glass...



Not sure that is what I said, at least not that way... the 3mm and 1/8 will work and as you said eventually they will fail if you do not keep on your maintenanace. I, and several others that know these things, believe the larger diameter flash channel will make the plug more efficient and reduce upkeep maintenance. The necessity of the powder cup, needed for ignition, is also negated with the combination of the two modification (increased size of the flash channel and the addition of the Vent liner) Further the addition of the vent liner makes your one breech plug a life time plug.

Who is the shill in your world? is that me? I certainly do not try to be...

Have you though about putting a peep on the rifle... My eyes are bad enough that works well for me... of course a scope with a fast focus ring on the eye peice would probably be great for you...
Currently, during our muzzle loader season, i use the X7 with factory peep sight. I have installed a peep on my Accura. I have the same issue with both; that being, i have to squint about as tight as a human bein' can in order to make the front sight appear round.

I'm sorry i thought i made it clear there were two that have pushed these theory about what it takes to make a successful BH breech plug. The Omega plug, the home made Accura plug, and the modified QRBP continue to work in cold weather, when their flash channel has closed down by carbon to as small as 1/16". Your theory doesn't explain reality. When scientist has theory that doesn't explain reality, the theory are dumped. Einstein became famous, because he could make theory that explained reality. The other is also known as the 'arrogant one'.

After reading the CVA lad post about OAL length, i am forced to agree with you. An OAL hex head CVA breech plug length with the W209 in place, of 1.310" would probably be the cat's meow.
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