Y'all, this thing has opened my eyes! I always knew that aftermarket barrels were an improvement over factory barrels. Little did I know that there was that much difference in barrels. I have a couple of good barrels, a Satern started me down this road of aftermarket custom barrels, then a Bartlein, and a barrel on a 6BR that is an unknown maker. The difference between these custom barrels and factory barrels is like night and day. I've looked at them dirty and clean. The finish on a Bartlein is as slick as snot! Not a dab of copper, no imperfections, perfect from throat to crown. Unknown 6mm BR custom is the same. The Satern is a button rifled barrel, as compared to a Savage I scoped last night the Satern is smooooooth! That Savage looks like a railroad. How do they shoot as good as they do? Anyway, I think its a good investment. My eyes are open wide! The old Browning A Bolt in 280 has seen alot of rounds down the bore, suffered many many hunting seasons and off season shooting sessions, I am surprised it still shoots as good as it does from what I've seen down that barrel. Its ugly, like mfugly ugly,but it still will print 3 in less than an inch. I know how to fix that after I get all the reloads shot up for that barrel.
Teslong Bore scope
- Thread starter ncageneral
- Start date
Maybe the the imperfections in factory barrels is not that critical after few shots.
A quality barrel is just that, a quality barrel. However, if Savage or Tikka Shoots like a laser there is no need to replace its barrel.
NorCalMikie
Gold $$ Contributor
So, you have a gun that shoot "BUG HOLES" and your Teslong Bore Scope tells you it's JUNK?? Who you gunna believe?? 
You discovered why gunsmiths hate borescopes. Everybody looks in a barrel and sees all these "problems" that don't mean squat about how it shoots. Use your borescope to examine your cleaning. But even then, a spotless bore may need to be fouled to shoot its best
Guilty as charged.
But I am not guilty anymore. I am behaving now.
What y'all have failed to realize is how many rounds of ammo I have for that old 280,,,,,,,,, Its gonna take a pretty good while. As long as its still shooting less than an inch she and I will be just fine. If I reference the video posted by Prose my barrel will out last me.
SSL
Gold $$ Contributor
And as I have mentioned in the past; it can save you a lot of grief when looking at buying a used rifle. What appeared to be a pristine rifle in a gunshop was revealed to have an abused bore that looked to have been cut with a chisel plow and then allowed to rust when I pulled my trusty Teslong (flex version) out of my pocket and took a good look.
That'll buff right out.........
AckleymanII
Gold $$ Contributor
When I have a bore scope, I can see a problem. I have a choice to make several determinations:
The problem means throat is crooked
The problem is that the chamber is ringed from picking up a chip
The problem means that the bore is fire cracked and to what degree
The problem means carbon is in the end of the neck in the chamber and building up in the throat
The problem means that there is carbon fouling to the height of the tops of the lands
The problem is that copper is present, and to what degree
The problem means that there is pitting in the bore and to what degree
The problem is that there is voids in the steel from the foundry
The problem is that rifling is not consistent through the bore
The problem is that the groove is rough as a cob
The Problem is that the edges of the lands are not uniform
The Problem is that this wonderful bore solvent does not work any better than Grape Kool Aid
The problem is that the next wonderful bore solvent smells like lemon water, and works about the same
The problem is that there is a butt load of chatter on the leade angle
You can ignore the problem, evaluate the problem, monitor the problem, make a video of the problem
and on and on
Ignorance is Bliss without a bore scope!
The problem means throat is crooked
The problem is that the chamber is ringed from picking up a chip
The problem means that the bore is fire cracked and to what degree
The problem means carbon is in the end of the neck in the chamber and building up in the throat
The problem means that there is carbon fouling to the height of the tops of the lands
The problem is that copper is present, and to what degree
The problem means that there is pitting in the bore and to what degree
The problem is that there is voids in the steel from the foundry
The problem is that rifling is not consistent through the bore
The problem is that the groove is rough as a cob
The Problem is that the edges of the lands are not uniform
The Problem is that this wonderful bore solvent does not work any better than Grape Kool Aid
The problem is that the next wonderful bore solvent smells like lemon water, and works about the same
The problem is that there is a butt load of chatter on the leade angle
You can ignore the problem, evaluate the problem, monitor the problem, make a video of the problem
and on and on
Ignorance is Bliss without a bore scope!
I've never tried that! Send me the recipe,,,,,, LOL
I recently bought a bore scope to check my cleaning in a “custom” barrel that wouldn’t shoot very well no matter the load. Resulted in finding a bad gouge about 3 inches in front of the chamber. Emailed pictures to the barrel manufacturer and they wanted me to send it back to them for evaluation….
D-4297
Gold $$ Contributor
As a retired Aero-space Master Tool & Diemaker , I personally feel that 99.9% of those with Borescopes haven't the slightest inkling what they are looking at , and what they see , when using that scope . If you are using it for inspecting your cleaning regime , all fine , well and good . Beyond that , most have little knowledge of what they are seeing in the picture , due to lack of training of metallurgy , and causes of failures related to what occurs in a chamber and barrel . If you think you "SEE" something , then consult with a highly knowledgeable shooter , or Gunsmith .
SSL
Gold $$ Contributor
Doesn't take a genius to see that's a problem. Hope they make it right by you.
D-4297
Gold $$ Contributor
That's a pretty obvious issue . Without having the barrel in front of me , My "conjecture" would be , Caused by broken cutter , as a possible result of Lamination in the steel . But that's just a guess without being able to examine the actual barrel . Look closely , and you can see layer separation in the steel , which more than likely broke the cutter .
No problem, you can use car body paste to fix that, do not forget to sand it down
LoL
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