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#3411272 - 10/20/13 08:51 PM Smoke out of breech area ok?
Tenn.Guy
8 Point


Registered: 09/17/07
Posts: 1949
Loc: Tenn

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I've been noticing as I shoot 60gr IMR-4198 out of my apex, a little smoke rolls out of the breech/break open area. I assume its ok just wanted to ask...


Thanks!

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#3411299 - 10/20/13 09:11 PM Re: Smoke out of breech area ok? [Re: Tenn.Guy]
Tar12
4 Point


Registered: 10/25/12
Posts: 359
Loc: USA Indiana

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I have not experienced that in 14 years of smokeless shooting. It is not ok IMO. You are getting blow by for some reason. Either your breech plug is leaking at the face where it meets the barrel or it is coming from the primer side. Neither is good as it will allow gas checking or cutting which will erode the plug face. What does the plug look like? Can you post a close up of the plug? What do your fired primers look like?
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#3411311 - 10/20/13 09:16 PM Re: Smoke out of breech area ok? [Re: Tar12]
Tenn.Guy
8 Point


Registered: 09/17/07
Posts: 1949
Loc: Tenn

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Dang, thanks for the help. I'll grab a picture of the plug tomorrow.

Not sure I have a fired primer, but I'll look.i think I tossed them.

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#3411321 - 10/20/13 09:23 PM Re: Smoke out of breech area ok? [Re: Tenn.Guy]
Tar12
4 Point


Registered: 10/25/12
Posts: 359
Loc: USA Indiana

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Has your gun done this from the beginning or has this came on gradually? If you can fire another one off and save the primer and take a picture it would be helpfull in determining if you have a pressure problem.

Edited by Tar12 (10/20/13 09:24 PM)

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#3411327 - 10/20/13 09:26 PM Re: Smoke out of breech area ok? [Re: Tar12]
Tenn.Guy
8 Point


Registered: 09/17/07
Posts: 1949
Loc: Tenn

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Ok I'll check. I'm think it happened when I increased charge to 60gr.... I don't remember it happening with initial charges at 56gr.

So I assume blow by would be a sign or too much pressure?


Edited by Tenn.Guy (10/20/13 09:27 PM)

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#3411340 - 10/20/13 09:35 PM Re: Smoke out of breech area ok? [Re: Tenn.Guy]
SCAT
6 Point


Registered: 08/10/12
Posts: 754
Loc: ANDERSON CO.

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I don't know the history of your gun. Mine was converted by Slufoot, and a fine job he did. After several shots, the spacer he installed in my breech plug stuck to a primer and pulled out with the primer. I noticed it and reinstalled it without any further problems. It was really stuck to the end of the primer. I had to hold the primer with pliers and use a screwdriver to remove the spacer from it. Does yours have this spacer and if so is it missing? BTW, since the primer is headspaced I had Slufoot headspace a spare breech plug for me.

Also, if you are using teflon tape on your breech plug do not get any on the face of the plug that seats in the barrel as it will cause leaks and/or difficult removal. This was also mentioned to me by Slufoot.

Some disagree and/or don't understand, but when a Savage breech plug is installed in a gun that it has never been in before, it should be tightened to 10 ft lbs minimum to "marry" or "seat" the two surfaces. After the initial seating, resume normal plug installation procedures. Any time I install a new breech plug, I can feel it seating for the first time.
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#3411377 - 10/20/13 09:58 PM Re: Smoke out of breech area ok? [Re: SCAT]
Tar12
4 Point


Registered: 10/25/12
Posts: 359
Loc: USA Indiana

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CR500 I had no idea that they had a spacer. What purpose does this serve?
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#3411397 - 10/20/13 10:15 PM Re: Smoke out of breech area ok? [Re: Tar12]
SCAT
6 Point


Registered: 08/10/12
Posts: 754
Loc: ANDERSON CO.

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On a Savage ML, the primer is held by the bolt and can't be driven into the BP.

On a conversion, the primer goes into the BP and the firing pin can drive it deeper. Slufoot makes a spacer and presses it into the BP so as to basically capture the primer between the BP and face of the action and hold the primer face flush with the barrel face.
_________________________
She told me if I go hunting one more time she's gonna leave me......I'm gonna miss her...

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#3411430 - 10/20/13 10:55 PM Re: Smoke out of breech area ok? [Re: SCAT]
Rubberduck270
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Registered: 11/01/10
Posts: 3007
Loc: Lawrence Co.

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I get a little blow by on my H&R. Its never bothered me though. Its a trade off of being able to easily remove primers after the shot.
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Smokeless Muzzleloading: It ain't your Grampa's flintlock

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#3411433 - 10/20/13 11:04 PM Re: Smoke out of breech area ok? [Re: Rubberduck270]
Deer Assassin
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 Originally Posted By: Rubberduck270
I get a little blow by on my H&R. Its never bothered me though. Its a trade off of being able to easily remove primers after the shot.


ditto

no worries
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