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Long string load development

Ok here's what I figured out.
1st, I need to get a bore scope even if it is a cheap 1.
2nd, I believe carbon was a contributing factor.
We ran a 270 caliber bronze brush with losso followed with some patches. This pulled 50-60% of carbon out.
Then ran some Mothers mag wheel polish on the 270 brush this pulled another 25% of the carbon.
 
Ok here's what I figured out.
1st, I need to get a bore scope even if it is a cheap 1.
2nd, I believe carbon was a contributing factor.
We ran a 270 caliber bronze brush with losso followed with some patches. This pulled 50-60% of carbon out.
Then ran some Mothers mag wheel polish on the 270 brush this pulled another 25% of the carbon.

Since I got my borescope, and have been working with it on several high volume rifles, my cleaning regime has changed radically from what I was doing.

I found I was building up very little copper so I can back off on the Montana Extreme and the number of reps.

The focus has now become the carbon in the throat and first 6-7 inches of the barrel beyond the throat. A little Iosso on a nylon brush in that area and they are good.

Jim
 

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