Opposide side of your face in my opinion. No point in putting your naturally good looks at risk! Lmao!! 
Paul
Paul
gas port modification for Rem700
- Thread starter Hengehold
- Start date
Liven The Dream
Gold $$ Contributor
There is somewhere a Great write up on 2 brothers that Made Rifles under the Name of Mauser .
The 98 Model had a great system for venting Gas ? This is from that old article ?
The 98 Model had a great system for venting Gas ? This is from that old article ?
That is how Howa diverts the gas. Weatherby has it diverted out the side with three vent holes.Seen several people drill holes in the bolt body to divert gas into the magazine area. No clue if it works or not.
Paul
Does anybody know why on a right hand action Remington has the vent hole in the bolt on the left side but the vent on the receiver is on the right side?
DaveTooley
Gold $$ Contributor
Everyone is talking about different conditions.
1. Pierced primer. A bit of gas and a broken Jewell trigger. May not be noticeable until the rifle stops functioning.
2. Fractured/cracked primer. A good bit more gas. Enough that you will probably know it.
3. Case rupture. No amount of bolt venting will change the end result. Debris will exit the rifle from every opening. If you are looking into the loading port you will require medical attention.
1. Pierced primer. A bit of gas and a broken Jewell trigger. May not be noticeable until the rifle stops functioning.
2. Fractured/cracked primer. A good bit more gas. Enough that you will probably know it.
3. Case rupture. No amount of bolt venting will change the end result. Debris will exit the rifle from every opening. If you are looking into the loading port you will require medical attention.
Three rings of steel, and a fast way to circumvent all three. Had an interesting discussion with Allen Hall about this some years back, and haven’t had a Sako or M16 extractor mod done to a 700 ever since.Put a Sako extractor in a Rem bolt face, that will let the gas escape.
http://benchrest.com/showthread.php?68645-Sako-Remmy-s-Be-careful!
I am curious if anyone knows of a M16 extractor getting blown out by any type of cartridge failure where the receiver didn't come apart.
I'm not being argumentative, I just had not heard of that happening with the M16 extractor.
I have seen a Sako extractor get blown out of the action merely by a pierced primer. However I don't think that is as much of an issue with a right bolt left port (not dual port) target action though. Since there is no way for it to get out of the right raceway unless the receiver comes apart or the bolt is blown out.
In the case of a Remington, three rings of steel design, if proper clearances are kept, a sako extractor is "captive." The counterbore won't let the extractor open enough to release. That's not saying that it can't come out. Add enough pressure and all bets are off, as everything has its limitations. I've seen it work this way firsthand, unfortunately. I even had my PressureTrace on the barrel when it happened. It read 123,000psi! The case head ruptured at the ejector pin hole..no ejector. This was pretty much a worst case kinda scenario...a ppc case head on a 308 bolt with a sako extractor. Had to pull the barrel and beat the bolt out of the receiver to get it apart. Not my proudest moment and yes, it could've been much worse. The 3 rings of steel worked as designed in that case. I'll post a pic of the case. I kept it as a reminder how easily this can happen if distracted. I was testing two very fast rifle powders...and the phone rang. If I hadn't been wearing glasses I would certainly have gotten brass in my eyes as brass specks hit my face and glasses. Otherwise, very luckily, no other damage to me. Some may argue that. Lol!
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DaveTooley
Gold $$ Contributor
Wow! I'm guessing barrel removal was easy enough. Lol!
DaveTooley
Gold $$ Contributor
Short walk down range. We can debate extractors, 3 rings of steel or anything else but if you're not looking into the loading port your head and more importantly your eyes are shielded.
I have several more examples of Remington bolts with the nose missing from ruptured cases.
That appears to be a Howa action. Any idea what lead to the catastrophic failure?
I would be interested in pictures of the bolt failures.
DaveTooley
Gold $$ Contributor
IMR 4227 instead of IMR 4064. Estimated pressure 110K PSI and a path for the gas to flow.
Just think of the nose being missing. flat face. They would probably still function but there would no extractor.
Just think of the nose being missing. flat face. They would probably still function but there would no extractor.
Interestingly enough, mine also involved 4227. I can't remember what the other was but I think n120. 4227 is what opened things up. It can get stupid pretty fast. Has nothing to do with what happened, but that powder would lure you in, in this case. It kept saying, add more, until it jumps all a cliff. I don't recommend it to anyone but it can work in some cases.
Thank you Dave.
I was envisioning the bolt lugs being sheared off when you said bolt nose. Glad that wasn't the case.
Dusty Stevens
Shiner
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