You'll be fine. Tanks do not "blow up" when filling them with a proper compressor such as one that is intended to do so regardless of age of the tank. Idiots on YouTube have tried to blow them up by shooting them with a firearm. No explosion, just twirling them around expending the air in the tank. What a waste of tanks.
The part that will fail first and is designed to do so is the burst disc. It's loud when it fails but no explosion. And burst discs can be replaced.
I use a 6.8L tank that expired four years ago and fill it to a full 310bar with with a Coltri gas compressor.

Jgarret7 said:

I recently jumped on the air train. Like last week. I currently have a FX impact M4, Notos , and am ordering a Huben GK1 today. Also, I purchased a GX4-I and a 6.8L tank from Air guns of Arizona. We live on ranch in West Texas and pretty much patrol the ranch nightly. Wither it be changing irrigation in fields, Varmint hunting with friends or my 4 kids. We have quite a few ranch vehicles. We also have a home gun range setup for pistol and LR and either my kids or I are their every day. We shoot burners alot... Having all this in mind, I am worried about having air supply handy. I would like to get some more tanks setup where I can mount them in some of the ranch buggies and maybe one at the range. How many of you that are filling at home worry about the DOT certification? My 6.8 L has it. But I see several on ebay etc. for half the prices that are only CE certified. I realize i would lose the ability to have a shop fill it. But i intend on buying a larger twin compressor for larger fills soon. Just wondering if it's worth the extra money for the DOT stamp in my case. Thanks!

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CE certified tanks are safe. I would have zero concern. I have some mint condition expired Scott scba tanks from ebay and fill them myself. 15 year DOT certificate is expired on them but they will last 30 years.
When initially filling large tanks from zero Psi. Give the compressor a few breaks to cool down. Do it in stages 1500 psi stages

I heard the are good. Mixed reviews on Tuxing but took a chance.

Lightened pull weight on adjustable trigger.

I buy USED SCBA tanks all the time on EBAY and they are fine. I hope this picture puts this issue to rest for people. Here is a July 2010 45 min tank that just came off it's 15 yr service life showing it's passed it's hyrostatic test at 7500 psi! Let me say that again it PASSED it's cert test at 7500 PSI! As others have said WE as airgunners put FAR less stress on them that when they are used to fight FIRES. We are not strapping them on our backs, taking them into high heat environments or draining and filling them completely. I fill mine to about 4400 and refill again around 3200 which I what I suggest people do. Also they have a BURST disc which will releases high pressure long before the tank would fail. I have done it. Left a FULL tank in the sun like an idiot and BANG the disc let go and all the air come out tank was fine. The disc are IMPOSSIBLE to find to replace which is why I suggest you replace the valves with the cheap Chinese ones or the fancier ones if you want to spend the money like UA and others sell. Of course you always have to respect high pressure air but the used SCBA tanks used for fire fighting are fine just pick one that still seem okay and not all beat up or smoke stained. The one in the picture here I got for $50 which is the best price I have ever seen for a 45 min tank. I think the 45 min are just the right size for portability.

The new GX seperator/ filter is pretty good.

dk-duck said:

hi thank you for that, I do know about what to set it to, what we don't know is the screw underneath it's supposed to be turned so many way's but you can't do to much because it mess's with the regulator and won't work! that's the problem I'm having, you say set the pressure bar to 160? there isn't a 160 it only goes to 150 bar . that all im having trouble with because I've put it in my new rifle and the results are a joke even though it's not funny all the gun shop's are asking £200 just for them to look at it so I thought someone maybe able to help me on here

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Well set it to 150 bar. But does the gun work without the regulator?

First eliminate a mechanical problem with the gun. If the gun works then go back to the regulator.

If as you say the power is minimal the regulator is adjusted too far to the low side. Take your time and turn the screw 1/4 turn in the clockwise direction. Test after each 1/4 turn. If you do not see any increase in power after 1 full turn then the regulator is most likely faulty.

I just realized you are UK 12ft lbs too.

Yeah I checked and something like 30 min run time recommended. But I still do 1/2 fill from empty on my rifles. It let's the pump cool and I can check for leaks. If you're like me, I don't fill from empty all that much so it's a minor inconvenience, that helps save the compressor.

It seems JSB missed a huge opportunity to deliver a 30 grain pellet in .25 caliber.

H&N has had a 30g pellet. At times I had good results with it at 70+ yards, but I believe that it’s slightly pointy head causes it to destabilize with any significant wind.

The AEA and JTS pellets have performed very well - competition is a great thing. Maybe JSB will finally address their 9 grain gap between 25 and 34 grain in .25 caliber.

JoePolanco said:

To paraphrase the immortal words of rock legend Bruce Dickenson ( aka Christopher Walkin) " I need more Mora! I've got a fever, and the only cure is more Mora..."

View attachment 582643

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Well..looks like you pulled one in the right hand group.

Seriously good shooting

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I'm not sure what you mean you flu bed. Yes the inserts are off a hair, but that would make only minimal change in poi. Also, I'm not sure why they say to keep a uniform gap in the inserts. It doesn't make much difference. I've used signature rings for years and never worried about insert gap, and they worked as intended.

Those rings can cure a lot of ills especially in switch barrel guns that's for sure. Good luck finding the right can't.

I would imagine it goes into the internal power ring and moves when you adjust the power

Jgarret7 said:

I asked this question in another group and got halfway treated like I was a threat to society lol. Most of the commenters were talking about "it's not worth saving a few extra (€€€) to risk your life" indicating they were from the EU. I can't help but wonder if their tanks are DOT certified lol. Here in the US, we are really good at coming up with useless requirements to line the pockets of someone that has no real concern or knowledge of the material, application or industry. Thanks

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I will also add that I am not just trying to save a FEW extra $$. Buying half a dozen of these tanks at a time adds up. roughly a ~1,000$

Got one of these for my older Discovery VT-T because, it too was stiff. Made a big difference.

humbled.ag said:

Another consideration is that a 15yr tank in the US is a 30yr tank in Europe. The same exact tank.

Most of the DOT and Certification bs is driven by tort law and insurance companies in the event of a failure. That's not to say we shouldn't have standards, but *I* think it's mostly about money. You're not missing anything. As I stated, using tanks that are past cert or don't have dot certification are to be used at your own discretion and comfort level.

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I asked this question in another group and got halfway treated like I was a threat to society lol. Most of the commenters were talking about "it's not worth saving a few extra (€€€) to risk your life" indicating they were from the EU. I can't help but wonder if their tanks are DOT certified lol. Here in the US, we are really good at coming up with useless requirements to line the pockets of someone that has no real concern or knowledge of the material, application or industry. Thanks

Another consideration is that a 15yr tank in the US is a 30yr tank in Europe. The same exact tank.

Most of the DOT and Certification bs is driven by tort law and insurance companies in the event of a failure. That's not to say we shouldn't have standards, but *I* think it's mostly about money. You're not missing anything. As I stated, using tanks that are past cert or don't have dot certification are to be used at your own discretion and comfort level.

humbled.ag said:

*Don't be dumb like me* I have an scba tank with a 2002 manufacturing date. It's fine. I fill at work or a friends house. Used tanks can be cheap, but you have to make sure you're comfortable with them being out of date. Another thing to remember, we fill them from roughly 3000-4500psi unlike firefighters or divers going from empty to full on a regular basis. Our use puts far less stress on them so they can last longer. That's my take on the subject.

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As someone who is a consultant in the pressure pumping industry yet new to the air gun world, I am having a hard time with this. I understand pressure and certifications pretty well. But, on my search I have seen so many new tanks on ebay and other online sources that are 50% cheaper due to the lack of DOT certification. Most of these said tanks are however CE certified... To my understanding, DOT is only required in the US (Department of transportation) to travel. Commercial shops here in the US will also require a DOT cert. It is also my understanding that CE certification is required by countries in the EU or China. From what I have found the certification requirements for DOT and CE are almost identical. Seems like a waste to pay 50% more for a citification I wouldn't need if I am filling at home. Maybe I am missing something though.

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Ricochet said:

Glad to see I'm not the only one having hell trying to land x's in hot dead wet air. Hope you get it figured. I've put a fan on my gun when i sit it in the Randolph, if i don't the glass sweats. Gun is 70 degrees, and the inside of my shooting shed is about 120 when i open the doors. Without the fan, the gun will start dripping condensation like a glass of tea.

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When the warm and cooler air come together you create mirage. Set the gun up, don't touch it and you can watch your bullseye move around, Not. You created an optical illusion. Plus shooting in wet air or heavy air will slow your projectile down possibly affecting both velocity and point of aim. Learning to stay on top of these conditions separates the top of the list from all the rest when results are known. The longer you stare at it the worse you will shoot in my experience. Your brain tells you your target moved......Your brain has been tricked. It gets even tougher when your flags and the mirage you view don't agree.

From what I understand, any BB or pellet pistol is considered a handgun in NJ and requires an FID and a hangun permit - rifles require an FID - both are classified as firearms - some companies previously would ship airguns to me but not any longer. I have to have them shipped and processed to/by a FFL dealer or sent to someone in PA. I think once legally bought most of them are legal to own but not necessarily to use. Suppressors are another issue. We have 3 acres and I can safely shoot but I don't much any more because the laws keep getting more oppressive. Airsoft I think is now legal to sell without restriction to an adult. Depending on who you spoke with - a few years ago they were illegal.

Ok looks like he has some 25 cal pellet molds left. Yell me I should buy one. I shoot a lot of 25 stuff. Are the pellets good?

*Don't be dumb like me* I have an scba tank with a 2002 manufacturing date. It's fine. I fill at work or a friends house. Used tanks can be cheap, but you have to make sure you're comfortable with them being out of date. Another thing to remember, we fill them from roughly 3000-4500psi unlike firefighters or divers going from empty to full on a regular basis. Our use puts far less stress on them so they can last longer. That's my take on the subject.