My grandpa gave me a Sheridan

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Hi. This is my first post on this forum, although I have posted on the black powder forum here. In a recent visit to my grandpa he gave me his old air rifle. It's a Sheridan Blue Streak with push button safety. How would I know if it leaks air? It's shoots but it seems like the first 3 or 4 shots are not very accurate and then subsequent shots hit to point of aim. This is my first air rifle and I've only had one brief session with it.
 
Pump your Sheridan a few times and set it aside for about 10-15 minutes before firing it (either with or without a pellet) If it's still holding air, you should be good. Seals in the valve do eventually give out but if you're lucky perhaps your bolt o-ring is dried out or your bolt is just out of adjustment, allowing a leak.
I have a 1972 rocker safety model that's been in the family since 1978 or so. I had to replace the valve seals with a Pyramid Air seal kit about 7-10 years ago. The kit doesn't fit all Blue Streak models. Disassembly of the valve is not for the weak of heart though, I had to clamp the brass valve housing in a bench vise and wrench it apart with a Visegrip. Mark the two halves beforehand so you can put them back and torque them to the original position.
They're fun guns and worth it to get them shooting.
 
"Pump your Sheridan a few times and set it aside for about 10-15 minutes before firing it (either with or without a pellet) If it's still holding air, you should be good."

You said with or without a pellet, so does that means it's ok to dry fire?

If I did need to have this gun repaired who could I send it to? I live in California and I think I read there is someone in California who works on Sheridan's. If anybody knows who that is or has contact info for this person that would be great.
 
Dry firing a PCP gun isn't the same as doing so with a spring piston gun. It's my understanding that dry firing a Blue Streak is harmless; I do it a lot.

I haven't kept up with Sheridan service. Checkout "network54.com" their forum is very helpful or give "www.mac1airgunshop.com/" or "www.pyramydair.com" a call. Mac1 rebuilds Sheridans and also soups them up if that's what you want.
 
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It is important to use a oil that does not degrade the seals.
I store my Blue Streak with one pump of air in it.
I got mine in the early 70's and it is my favorite air rifle.
 
"Pump your Sheridan a few times and set it aside for about 10-15 minutes before firing it (either with or without a pellet) If it's still holding air, you should be good."

You said with or without a pellet, so does that means it's ok to dry fire?

If I did need to have this gun repaired who could I send it to? I live in California and I think I read there is someone in California who works on Sheridan's. If anybody knows who that is or has contact info for this person that would be great.
I've got his business card somewhere. I'll look for it when I get the time.
 
John Joseph that would be great.

As for oil, is Ballistol okay? I haven't done anything to it yet. Ballistol is about all I use on my black powder guns.
 
Tim McMurray is in CA and one of the top people to work on Sheridan's. I wouldn't use ballistol. Either get some Crosman pellgun oil or get 30wt non-detergent motor oil.
 
John Joseph that would be great.

As for oil, is Ballistol okay? I haven't done anything to it yet. Ballistol is about all I use on my black powder guns.

It's probably good; I don't know because I don't use Ballistol. Not because I think it's bad; I've heard it's good and that mainly because it is not petroleum based and should be harmless to rubber/latex seals and pre-ignition.
I put Pellgun on my airgun seals because that's what my Dad had me do since the 1960's. Outrageously expensive but I've had this short little pencil sized tube of the stuff since before 1990, servicing a Sheridan Blue Streak, a Crosman 1377 and a Hammerli Single model "D".

(Tim McMurray is Mac1)
 
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Great guns. It was my first quality air rifle. I always had Crosman 760’s in the 1970’s. The brass bolt version. Good guns but not accurate at distance
When I got my Blue Streak “Rocker Safety” I was able to hit soda cans at 25 yards regularly.
The 20mm pellets were a lot more expensive even then but made up for it with easier shots
We called it “buck shoting” the 760 by using 3 bb’s at one time. It was a better chance to hit our targets
 
Generally any gun care/lubrication product that claims to be a CLP or to have cleaning/penetrating properties is probably a bad idea for airguns.
 
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