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Old 05-08-2021, 04:36 PM
bjm02004 bjm02004 is offline
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M&P m2.0 9mm Locking Block Pin Drift M&P m2.0 9mm Locking Block Pin Drift M&P m2.0 9mm Locking Block Pin Drift M&P m2.0 9mm Locking Block Pin Drift M&P m2.0 9mm Locking Block Pin Drift  
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Default M&P m2.0 9mm Locking Block Pin Drift

Hello all,


I purchased a new m&p m2.0 9mm compact pistol (sku: 13143) this past November. With the exception of adding a streamlight, I have not modified the pistol in any way. Since purchasing the pistol, I have shot 500 rounds through it. The pistol has experienced no malfunctions; however, I have noticed after each range session that the locking block pin walks towards the left of the pistol. I have been fixing this after each range session by drifting the pin back towards the center of the pistol with a small hammer and brass punch.


After shooting 200 rounds through it this morning, I again observed that the locking block pin walked to the left. Please see the attached pictures. This is the worst that I have seen it.


Is this a cause for concern? Is the pin retained internally within the locking block? The notch in the takedown lever suggests to me that the design allows for some movement in the locking block pin, but in the case of my pistol, the total movement towards the left seems excessive. I have four other m&p m2.0 9’s, and none of them have this issue. Is this amount of leftward drift acceptable, or should the pistol be sent back to the manufacturer?



Thank you!
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