Check this out before you buy the new beavertail backstraps for your Glock Gen 4. Not really a problem but just not made for the older Gen 4's. Maybe a better idea would have been to mold the beavertail into the frame and call it a Gen 4.5. It looks like Glock is trying to play catch up with the M&P on the beavertail.
[youtube]_vkMuQV1csE[/youtube]
[youtube]_vkMuQV1csE[/youtube]
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