Thread: Sear housing block with larger sear return spring and plunger for frame without TS
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Old 04-20-2015, 10:54 AM
WR Moore WR Moore is offline
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Brownell's should stock the standard sear block (which doesn't have the tumb safety). If it's current production, it should have the larger spring/ball.

FWIW, our 2006 M&P40s still have their original sear blocks with no issues. The change was a product improvement, not a fix for a known problem-at least AFAIK.
Last edited by WR Moore; 04-20-2015 at 10:55 AM.
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