M&P 15-22

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dennishoddy

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I’ve never played with one much but a buddy was going to put a PSA drop in trigger in his and said it needed a shim to protect the polymer lower.
Anybody experienced needing a shim or changed triggers in yours?
 

dennishoddy

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KOPBET

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It appears that it goes under the trigger because the polymer lower doesn't do well supporting the trigger by the pins alone? That's what I'm seeing here?

Yep. Shims or anti-walk pins from what I gather/read. Mine still has the original trigger so I have no experience with it. For $5 it can't hurt.
 

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