Borescope of NO barrel break in on 300WSM after first 40 rounds

Mram10us

Well-Known Member
LRH Team Member
Joined
Oct 19, 2019
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3,755
Location
Idaho
I was curious what a barrel would look like if I simply ran dry patches down the bore every 3 rounds for the first 40 rounds. No real cleaning till after. Barrel shot great during the initial test. Definitely dirty after :)


Tried 9 different loads while breaking in the barrel
D253A150-4E57-4183-A08A-EA9341A2CEB2.jpeg
 

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