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Anonymous The 277600000 pin was 1.06 inches long and did not fit the m&p shield plus performance center 4 inch barrel. Was too long for this gun but all the other parts fit just fine.
Hi James, thank you for your feedback and support! We're glad to hear most of your parts worked out well. The M&P Shield series (including the Shield Plus) actually uses a different, slimmer locking block pin than the full-size/compact M&P/SDVE series. We'd be happy to help you return this pin so you get the exact right fit for your Shield Plus. Please reach out to our support team at sales@usagunsandgear.com and we'll get you taken care of!