Every gun’s tolerances are a tad different. Our springs are designed to be screwed down firm and no lightening is needed. This allows for a positive upward locking position of the carrier. As you mentioned when loosening them some the block interfered with the lifter arm. In this case… yes this can happen. Glad you figured it out and thank you for the review and business. I’m sure you will get many years of enjoyment out of them.
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