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Old 03-11-2009, 02:51 AM
Spotteddog Spotteddog is offline
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Join Date: Aug 2005
Location: Left Coast
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UPDATE
Make sure you check with a full magazine, with action closed, for full lock upon magazine insertion! Of two full size M&P magazines (both new) once the magazine spacers were installed, one exhibited the tendency to NOT want to make it to "lock" on a full mag with action closed. I suspect one collar is a bit long? I'll dial caliper them in the morning. It's not by much, a firm insertion "smack" seats the mag to lock. More as learned.
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