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PostPosted: Sat Dec 17, 2022 12:08 pm 
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Joined: Sun May 22, 2016 6:31 am
Posts: 42
Location: Burlington
Looking for a rear sight screw for a Crosman 130. Apparently the thread is a 4-42.

I didn’t read the disassembly instructions and typically broke the screw.

Generation X
Put your foot on the brake, step on the gas
Sometimes giving someone a second chance is like giving them an extra bullet for their gun because they missed you the first time.

PostPosted: Sat Dec 17, 2022 12:56 pm 

Joined: Wed Jan 05, 2011 12:35 pm
Posts: 9944
Location: P.G. B.C.
Are you sure it isn't 4x40? I've never heard of a 4x42.
48 TPI yes, as in a 6x48. If 4x40 is the correct thread, a hobby shop that sells model airplanes and parts will have them,
in socket head at least, but likely flat blade screw heads as well.

Best Wishes

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