Frozen screw...

[WillSarchet]

How long have you been kroiling it? Patience and some gentle heat will help. Removing the spanner screw that holds the pointer and spring washer will let you apply the kroil directly to the fixing screw and also keep the heat from ruining the spring washer.

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[M1 Thompson]

How long have you been kroiling it? Patience and some gentle heat will help. Removing the spanner screw that holds the pointer and spring washer will let you apply the kroil directly to the fixing screw and also keep the heat from ruining the spring washer.

Thanks for the reply. I've been adding Kroil for almost two weeks. The sight has been stripped. To add insult to injury, the stock was filed or sanded down taking almost half of the screw head with it.