"What exactly are tip offs?"
They are rings that clamp onto both sides of two milled grooves on the top of the receiver. In theory you loosen the bolt/screw that attaches them, and this creates enough play to tilt them to the opposite side and remove them.
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Alan
SWCA LM 2023, SWHF 220
Last edited by murphydog; 07-29-2017 at 12:45 AM.
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