PS90 Just how hot is the barrel supposed to get?
PS90 Just how hot is the barrel supposed to get?
pre-info: I have one in SBR back down to 10.3" barrel and bought a second PS90 for the full length barrel, mounted a long range scope for coyote ... that's where my problems started.
I got a good deal on it for price on GunBroker. Turns out it was the dealers test model and may have been used extensively. (So I have the old barrel from the 1st one, but to swap back is a mess of paperwork and headache because the SN is registered to an SBR etc, etc :facepalm: )
I figured the problem as the scope was broken and the gun smith had to free a frozen bolt inside. By the time it was sighted I had burned through 100 rounds. It took 1 hr 15 minutes to do (including a 20 minute break where the GS rebuilt the scope) Shoot 3-5 rounds, pull up target, check, adjust, run out, shoot 3-5 rounds.
It was hot enough to be uncomfortable in my hand when I grabbed the handle to adjust it again. I tried to shoot 3 more and it failed to load a round. The slide stopped halfway close and the round refused to enter the chamber. Ejecting the round showed it was discolored from heat transfer. Smoke started rolling off the barrel ... it was cooking the oil/lube off the outside of it. I disassembled it and let it cool down. That took almost 45 minutes.
This was clearly not the same as my 10.3" barrel, but, my 10.3" is actually the V95 aftermarket designed for fully automatic fire so it has no problems shooting 100+ rounds in only a few minutes. (the harder metal with loser tolerances from the aftermarket design made it impossible to shoot accurately from 75+yards to use for coyotes)
This is my first experience with the factory barrel. Is it unusual to run that hot? 1.3 rounds per minute? It is dead on at 150 yards, but did I do something that might screw up its long term performance?
I got a good deal on it for price on GunBroker. Turns out it was the dealers test model and may have been used extensively. (So I have the old barrel from the 1st one, but to swap back is a mess of paperwork and headache because the SN is registered to an SBR etc, etc :facepalm: )
I figured the problem as the scope was broken and the gun smith had to free a frozen bolt inside. By the time it was sighted I had burned through 100 rounds. It took 1 hr 15 minutes to do (including a 20 minute break where the GS rebuilt the scope) Shoot 3-5 rounds, pull up target, check, adjust, run out, shoot 3-5 rounds.
It was hot enough to be uncomfortable in my hand when I grabbed the handle to adjust it again. I tried to shoot 3 more and it failed to load a round. The slide stopped halfway close and the round refused to enter the chamber. Ejecting the round showed it was discolored from heat transfer. Smoke started rolling off the barrel ... it was cooking the oil/lube off the outside of it. I disassembled it and let it cool down. That took almost 45 minutes.
This was clearly not the same as my 10.3" barrel, but, my 10.3" is actually the V95 aftermarket designed for fully automatic fire so it has no problems shooting 100+ rounds in only a few minutes. (the harder metal with loser tolerances from the aftermarket design made it impossible to shoot accurately from 75+yards to use for coyotes)
This is my first experience with the factory barrel. Is it unusual to run that hot? 1.3 rounds per minute? It is dead on at 150 yards, but did I do something that might screw up its long term performance?
Re: PS90 Just how hot is the barrel supposed to get?
sounds hot, what rounds are you running in it?
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Re: PS90 Just how hot is the barrel supposed to get?
Define hot.
Seriously get it to what you think is to hot and measure it with an IR temp sensor.
Then we can compare numbers.
Seriously get it to what you think is to hot and measure it with an IR temp sensor.
Then we can compare numbers.
Jay Wolf
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Re: PS90 Just how hot is the barrel supposed to get?
Running American Eagle 195 variant for sighting.
I presume if I smoked oil that it was at least 350F. I have one and can check the next time I heat it up. I have been using the MFIAP barrel shroud to cool it while I varmint hunt and it has worked great.
I presume if I smoked oil that it was at least 350F. I have one and can check the next time I heat it up. I have been using the MFIAP barrel shroud to cool it while I varmint hunt and it has worked great.
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Re: PS90 Just how hot is the barrel supposed to get?
hm never heard of AE 195
If smoking off oil is a worry, try Fireclean.
If smoking off oil is a worry, try Fireclean.
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Stop relying on others to do the work for you.
Shoot more, worry less.
The shooter will always matter more than the gear ever will.
Stop relying on others to do the work for you.
Shoot more, worry less.
Re: PS90 Just how hot is the barrel supposed to get?
federal American Eagle SS195
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Re: PS90 Just how hot is the barrel supposed to get?
What he means is that SS195 is a 28gr open tip bullet made by FN, while American Eagle manufactures a 40gr total metal jacket, made and distributed by Federal.
Re: PS90 Just how hot is the barrel supposed to get?
you mean the American Eagle 40gr TMJ, and then SS195?
Re: PS90 Just how hot is the barrel supposed to get?
Are you able to get the real SS195 here in Michigan? I have only been able to get the AE variant. Read online that its subcontracted and FHN won't distribute or compete in the same areas AE is.
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Re: PS90 Just how hot is the barrel supposed to get?
NO No no Federal distributes all the 197 and AE ammo all over.
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Re: PS90 Just how hot is the barrel supposed to get?
SS195 and the AE 40gr TMJ are two entirely different rounds.
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Re: PS90 Just how hot is the barrel supposed to get?
I'm starting to wonder if he's actually trolling after being told multiple times the 195 and AE are NOT the same thing. There is NO AE variant of 195, but keeps saying so.
Re: PS90 Just how hot is the barrel supposed to get?
I originally learned there was a SS195 40gr FMJ and an SS195LF 28gr all copper, as well as a SS197SR for sale to civilian markets.
Some people keep telling me AE 40Gr TMJ is rebranded SS195 (I don't believe this)
Some say AE is the replacement for SS195 in certain markets (I do believe this)
Some people tell me they have SS195, and when they show it to me its AE : http://www.armslist.com/posts/1113807/k ... five-seven" onclick="window.open(this.href);return false;
The only thing I have ever seen on the shelves in every state I visit or in stock online is SS197 and AE5728 as substitute for FMJ. Now Stitches, if you can link me to where I've been told I seem to have missed a few messages?
What I want to know, is why does my civilian standard, PS90 smoke up in 80 rounds (AE5728) when I could run 3 clips of SS190 through my old P90 in stutter without batting an eye? Is there that much of a difference between the rounds? Might I have causes separation in the chrome lining from overheating?
and thank you PainKillaX Buffman and Jay
Some people keep telling me AE 40Gr TMJ is rebranded SS195 (I don't believe this)
Some say AE is the replacement for SS195 in certain markets (I do believe this)
Some people tell me they have SS195, and when they show it to me its AE : http://www.armslist.com/posts/1113807/k ... five-seven" onclick="window.open(this.href);return false;
The only thing I have ever seen on the shelves in every state I visit or in stock online is SS197 and AE5728 as substitute for FMJ. Now Stitches, if you can link me to where I've been told I seem to have missed a few messages?
What I want to know, is why does my civilian standard, PS90 smoke up in 80 rounds (AE5728) when I could run 3 clips of SS190 through my old P90 in stutter without batting an eye? Is there that much of a difference between the rounds? Might I have causes separation in the chrome lining from overheating?
and thank you PainKillaX Buffman and Jay
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Re: PS90 Just how hot is the barrel supposed to get?
AE is not intended to be a replacement although, since actual 195 is hard to find in some places (like here), some people may see it as a replacement. Especially since AE is typically cheaper than 197.
PS90s & P90s don't use clips :p
If it did the same thing with every round, I would say you had some oil or packing grease between the inner & outer barrels. But with it just happening on one kind, I have no idea.
PS90s & P90s don't use clips :p
If it did the same thing with every round, I would say you had some oil or packing grease between the inner & outer barrels. But with it just happening on one kind, I have no idea.
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Re: PS90 Just how hot is the barrel supposed to get?
I did a mag dump one time of 50rds of S4 from EA, and the barrel was no hotter from what I recall normal.
Get a heat gun on it. Record it on video.
Get a heat gun on it. Record it on video.
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Re: PS90 Just how hot is the barrel supposed to get?
Ppostma1 wrote: Now Stitches, if you can link me to where I've been told I seem to have missed a few messages?
PainKillaX wrote:What he means is that SS195 is a 28gr open tip bullet made by FN, while American Eagle manufactures a 40gr total metal jacket, made and distributed by Federal.
Buffman wrote:you mean the American Eagle 40gr TMJ, and then SS195?
As for the barrel getting hot. Anything I have that shoots the 5.7 round heats up really fast. More than anything else that I own.PainKillaX wrote:SS195 and the AE 40gr TMJ are two entirely different rounds.
Re: PS90 Just how hot is the barrel supposed to get?
Thank you for clearing that up Stitches! Hopefully I have ammo names/brands figured out now.
I just went out with a friend this afternoon and we had it at 250f by rapid fire 35 rounds.
By Friday I'll get a temp sensor on it (standard thermo probe) and get it on video as it is very easy to reproduce. I'm just really worried about doing it because I don't want to break my hunting rifle... 3 weeks before I head up for varmints.
I just went out with a friend this afternoon and we had it at 250f by rapid fire 35 rounds.
By Friday I'll get a temp sensor on it (standard thermo probe) and get it on video as it is very easy to reproduce. I'm just really worried about doing it because I don't want to break my hunting rifle... 3 weeks before I head up for varmints.
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