remington pro needed
- Thread starter fogducker
- Start date
These type of failures are always pressure related but tracking down the faulty component is an excersize. The looks of it is a primer failure due to high pressures. Assuming a fresh can of powder and similar weight bullets then the only other variable is a heavy powder charge. The COL may also play into this. Working up as load is also something that should be approached with caution. I knew someone that always started his hanloading session by opening up a reloading book and going strait to the max load, he was known to often pick primers out of his action because they rarely ejected with the fired case! Some people won't learn even if it puts others around them in danger. I'm not suggesting that this is what you did but just saying that prudent loading practices should be followed.
bigbull
bigbull
Sounds like the rim clip that presses on over the case rim got twisted out of shape/position after firing and cannot get back to the depression in the bolt head ring so the plunger can eject the case. When mine went south the inner clip ring in the bolt head was loose and was replaced with a Sako style ejector. After removing the bolt , try slowly spinning the case with pliers to different locations in the bolt and see if it gets ejected.
[quote='Boo]What brand of brass were you using? Was it new or used?
Was it all the same brand?
Were all your primers the same?
Did you open a new bottle of powder part way through your reloading session?[/quote]
the brass was springfield used slightly
all pimers were the same
was a new bottle of powder
Was it all the same brand?
Were all your primers the same?
Did you open a new bottle of powder part way through your reloading session?[/quote]
the brass was springfield used slightly
all pimers were the same
was a new bottle of powder
fogducker said:
OK. there goes that theory blown to hell! LoL If you had developed a load using Winchester brass and somehow a RP case - or other - with a smaller capacity was loaded by mistake a blown primer could be the result.
In any case it is obvious you had cartridge that developed a good amount of over-pressure.
I will stick with my original hypothesis which is an overly hot chamber coupled with a fouled barrel was responsible for raising your pressures to a level that was high enough to cause the problems you encountered. It may well be that the true cause may never be known but in any case be thankful that Remington did a good job on the gas-handling design of the M700
[quote='Boo]
OK. there goes that theory blown to hell! LoL If you had developed a load using Winchester brass and somehow a RP case - or other - with a smaller capacity was loaded by mistake a blown primer could be the result.
In any case it is obvious you had cartridge that developed a good amount of over-pressure.
I will stick with my original hypothesis which is an overly hot chamber coupled with a fouled barrel was responsible for raising your pressures to a level that was high enough to cause the problems you encountered. It may well be that the true cause may never be known but in any case be thankful that Remington did a good job on the gas-handling design of the M700[/quote]
Boo...i thank you and all others that gave me some input here
cheers guys
Don
fogducker said:
OK. there goes that theory blown to hell! LoL If you had developed a load using Winchester brass and somehow a RP case - or other - with a smaller capacity was loaded by mistake a blown primer could be the result.
In any case it is obvious you had cartridge that developed a good amount of over-pressure.
I will stick with my original hypothesis which is an overly hot chamber coupled with a fouled barrel was responsible for raising your pressures to a level that was high enough to cause the problems you encountered. It may well be that the true cause may never be known but in any case be thankful that Remington did a good job on the gas-handling design of the M700[/quote]
Boo...i thank you and all others that gave me some input here
cheers guys
Don
Hey Fog...
By any chance did that case get wet when you were shooting?
I was at a match at Conaught and got some 6.5/30-06 imprvd wet. I blew out a primer and wrecked 8 lovingly prepared brass... they won't fit in the shell holder now... The bases swelled.
Loads showed no overpressure dry... but wet them...look out.
I make a tent out of a towel over my scope and action now , when lying on the firing line in the rain.
NormB
By any chance did that case get wet when you were shooting?
I was at a match at Conaught and got some 6.5/30-06 imprvd wet. I blew out a primer and wrecked 8 lovingly prepared brass... they won't fit in the shell holder now... The bases swelled.
Loads showed no overpressure dry... but wet them...look out.
I make a tent out of a towel over my scope and action now , when lying on the firing line in the rain.
NormB
One last kick at this cat ...............
You did check all your re-sized cases to make sure they were not over the maximum length of 2.494" ?
Overly long case necks could account for the hard chambering of some rounds along with the blown primer from the last shot.
You did check all your re-sized cases to make sure they were not over the maximum length of 2.494" ?
Overly long case necks could account for the hard chambering of some rounds along with the blown primer from the last shot.
[quote='Boo]One last kick at this cat ...............
You did check all your re-sized cases to make sure they were not over the maximum length of 2.494" ?
Overly long case necks could account for the hard chambering of some rounds along with the blown primer from the last shot.[/quote]
sorry Boo....this not the case...
since this was my first batch of reloads i was extra careful in all i did..all powder was double checked as it came out of the despenser on a scale,the cases were first checked with a case checker for that cal./then double checked with a vernier caliper....
i think im gonna blame it on to hot of a barrel...because i know it was to hot to touch...i will also debullet the ones i have left over and cut down on the load...
but i will let a gun smith look at the gun before i attempt this again
You did check all your re-sized cases to make sure they were not over the maximum length of 2.494" ?
Overly long case necks could account for the hard chambering of some rounds along with the blown primer from the last shot.[/quote]
sorry Boo....this not the case...
since this was my first batch of reloads i was extra careful in all i did..all powder was double checked as it came out of the despenser on a scale,the cases were first checked with a case checker for that cal./then double checked with a vernier caliper....
i think im gonna blame it on to hot of a barrel...because i know it was to hot to touch...i will also debullet the ones i have left over and cut down on the load...
but i will let a gun smith look at the gun before i attempt this again
[quote='Boo]One last kick at this cat ...............
You did check all your re-sized cases to make sure they were not over the maximum length of 2.494" ?
Overly long case necks could account for the hard chambering of some rounds along with the blown primer from the last shot.[/quote]
Very good point :!: Often overlooked when trying to analize pressure problems.
bigbull
You did check all your re-sized cases to make sure they were not over the maximum length of 2.494" ?
Overly long case necks could account for the hard chambering of some rounds along with the blown primer from the last shot.[/quote]
Very good point :!: Often overlooked when trying to analize pressure problems.
bigbull
Fogducker
If they were small base They would have a SB after the caliber stamp.
First I am going to explain something you all probably know.In lever,pump and semi auto rifles they usually have a slightly shorter chamber , There are some exceptions to this old winchester such as 30-30 and 25-35, all the savages, I am not sure about Browning as I have only loaded for a223 in a BLR.The point is cartridges loaded in ordinary full length dies tend to either jam tight or not chamber fully.This is what Small Base dies are for.
Someone suggested the possability that Dons rifle fired before being closed all the way, sort of a slam fire without being fully chambered.It would explain the bulged base and blown primer. This is just a guess based on a certain BSA CF2 with the same problem that cost a little money to replace an extractor that had to be hand made. In any case have the bolt head checked by a smith,it usually cracks that outer ring.
Rich
If they were small base They would have a SB after the caliber stamp.
First I am going to explain something you all probably know.In lever,pump and semi auto rifles they usually have a slightly shorter chamber , There are some exceptions to this old winchester such as 30-30 and 25-35, all the savages, I am not sure about Browning as I have only loaded for a223 in a BLR.The point is cartridges loaded in ordinary full length dies tend to either jam tight or not chamber fully.This is what Small Base dies are for.
Someone suggested the possability that Dons rifle fired before being closed all the way, sort of a slam fire without being fully chambered.It would explain the bulged base and blown primer. This is just a guess based on a certain BSA CF2 with the same problem that cost a little money to replace an extractor that had to be hand made. In any case have the bolt head checked by a smith,it usually cracks that outer ring.
Rich
[quote='Boo][..........the true cause may never be known but in any case be thankful that Remington did a good job on the gas-handling design of the M700[/quote]
'Boo, I think he posted that it was a Model 7600, a pump.
Ted
'Boo, I think he posted that it was a Model 7600, a pump.
Ted
