This guide addresses a common issue with Bear Creek Arsenal AR .410 firearms where the extractor fails to properly grip the shell rim, leading to smashed rims. The fix involves slightly spacing out the extractor by placing a small O-ring under the extractor spring in the bolt channel. This modification ensures the extractor stands proud enough to properly engage the shell rim, resolving feeding and extraction problems.
This video explains how to safely dry fire the SIG Sauer P322 using its included chamber flag. The chamber flag is designed to engage the extractor, allowing for dry firing without concern for the firing pin. This feature is intended to alleviate 'rimfire dry fire anxiety' for users who are hesitant to dry fire without this added measure of comfort, though the pistol is tested and safe for dry firing with or without the flag.
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