[Metallicat]

I drove over an hour to the range today only to have the 3rd round completely lock up in the chamber. I was using Tubb's finishing ammo. I brought my firearm to a gunsmith and he was able to extract the round. It suffered from an LPS (never fired), and the shoulder was too wide which caused it to seize. The tip of the round is also slightly impacted from chambering. I called Tubbs and they want me to send pics.

 

[KurtC]

In your other thread I suggested not using that stuff in a gas gun. Not sure if you saw it in time. RNGR2

 

[Metallicat]

In your other thread I suggested not using that stuff in a gas gun. Not sure if you saw it in time.

I did not see that. That would be my advice to anyone inquiring right now!

 

[Capona]

I drove over an hour to the range today only to have the 3rd round completely lock up in the chamber. I was using Tubb's finishing ammo. I brought my firearm to a gunsmith and he was able to extract the round. It suffered from an LPS (never fired), and the shoulder was too wide which caused it to seize. The tip of the round is also slightly impacted from chambering. I called Tubbs and they want me to send pics.

Expensive marketing gimmick.

 

[Metallicat]

I drove over an hour to the range today only to have the 3rd round completely lock up in the chamber. I was using Tubb's finishing ammo. I brought my firearm to a gunsmith and he was able to extract the round. It suffered from an LPS (never fired), and the shoulder was too wide which caused it to seize. The tip of the round is also slightly impacted from chambering. I called Tubbs and they want me to send pics.

Expensive marketing gimmick.

Yep. My mistake.

 

[Dougboffl]

.309 caliber?

 

[Instructor]

Assuming the goal is to burnish/polish the bore smooth, remove any small blemishes, etc. a simpler way is to use JB Compound, cleaning rod, patch and a little elbow grease, just a suggestion.

 

[Metallicat]

Assuming the goal is to burnish/polish the bore smooth, remove any small blemishes, etc. a simpler way is to use JB Compound, cleaning rod, patch and a little elbow grease, just a suggestion.

Or just don't worry about it anymore, which is what I am going to do.

 

[Wasted ammo]

Or just don't worry about it anymore, which is what I am going to do.

Wise choice, get some decent surplus ammo and blast away! It will polish itself.

 

[MuppetMeat4Me]

In your other thread I suggested not using that stuff in a gas gun. Not sure if you saw it in time. RNGR2

I just read that other thread, and was thinking that...

The world is now a little bit wiser? Maybe yes maybe no on the whole, but in that regard USNA

 

[Bill3508]

Expensive marketing gimmick.

Not really. It's been around forever and has been proven to work.

 

[Wasted ammo]

Not really. It's been around forever and has been proven to work.

Still not a good plan for a rifle with a gas system, I suppose you could cut the gas off, but the m14 isn't made to be a tack driving weapon. You are correct it has been around for decades and lots of people swear it works. My only question is how do they know how the barrel would have shot if they didn't use it?

 

[nf1e]

Wow. Even without putting that stuff in a rifle it's scary. That bulge alone in the case neck would cause me to junk the stuff.

 

[boomerpusher]

Looks like a .303 or 8mm bullet got mixed into some .308's. P-poor quality control on someone's part. Actually a good thing it didn't chamber as that bullet wouldn't have gone down the barrel. Count your blessings and get your money back from Tubb's.

 

[Killashrub]

Shoot some steel cased tula and then some good ol mil surp. All the polishing you will ever need.

 

[Capona]

Not really. It's been around forever and has been proven to work.

It's a battle rifle, not a tack driver.

 

[sac troop]

It's a little like taking your Briggs & Stratton and balancing & blueprinting it. OK if you want too, but to what end?
Blowing abrasives into a close tolerance piston system isn't generally a good thing.
Bolt action systems with the potential of 1/4 minute accuracy are what these things are made for.

 

[Metallicat]

It's a little like taking your Briggs & Stratton and balancing & blueprinting it. OK if you want too, but to what end?
Blowing abrasives into a close tolerance piston system isn't generally a good thing.
Bolt action systems with the potential of 1/4 minute accuracy are what these things are made for.

Yeah, it was probably a dumb idea. But I've spent far more money on far worse things. That was a pretty cheap lesson, actually.

 

[Metallicat]

It's a little like taking your Briggs & Stratton and balancing & blueprinting it. OK if you want too, but to what end?
Blowing abrasives into a close tolerance piston system isn't generally a good thing.
Bolt action systems with the potential of 1/4 minute accuracy are what these things are made for.

Yeah, it was probably a dumb idea. But I've spent far more money on far worse things. That was a pretty cheap lesson, actually.

And then I read things like this here...

"We had a rifle build here about a year ago for a seat member in Houston,TX. After the build I took it to the range and for the life of my I could not get less than 3 inches. I even took it to the range more than omce thinking it was me. I got fed up and decided to run a box of final Finnish through it and it tightened up the groups well under an inch. The stuff really works. I just don't know how well it will work on that 16 inch barrel"

Fake news? Some seem to love it for breaking in a barrel, some say it has no right being shot in a gas operated rifle. I only purchased it because of posts like this and it seemed like it couldn't really harm anything.

I showed my friend the bad round. He reloads and believes either they either used a weakened case that had been reloaded too many times, or they applied too much pressure to the top portion which caused the neck and shoulder areas to expand. Either way, it is unacceptable.

 

[subscriber]

Shoot some steel cased tula and then some good ol mil surp. All the polishing you will ever need.

I started a thread suggesting this, and got "hell" for it:
http://m14forum.com/ammunition/1960...s-steel-jacketed-ammo-through-new-barrel.html