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$ 50 borescope (USB)

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Shamu View Drop Down
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Joined: April 25 2007
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: September 09 2019 at 6:35am
The No4 Mk2 looks shiny, spotless & mint.
The SMLE was sold as "frosted" & a visual seems to appear that way too.
Both will do 2 MOA with handloads  if I do my part.
Interestingly I'd thoroughly cleaned the bores of both with my usual M-Pro 7 bore cleaner & copper remover alternating.
The first pass with the borescope was a horror story, there were "blobs" of some kind of black tar-like residue & lots of copper & some rust in the nastier parts. But to the naked eye it looked shiny & clean!
I gave it another clean this time with J-B Bore paste a non-embedding abrasive cleaner. It removed the lot but the patches were a absolutely revolting jet black & saturated!

The main reason I did the test was to see a "good" Vs a "Bad" bore to give myself some kind of base level to judge bores. The high mag of the borescope in super closeup is terrifying the first time. Because of that I wanted a frame of reference.


Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote A square 10 Quote  Post ReplyReply Direct Link To This Post Posted: September 09 2019 at 7:03pm
ive found my older bores can still shoot , they been there done that and got neglected somewhere but they still shoot , 
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