Hello, I was wondering if the common, non-magnum 2 3/4" ammo, such as birdshot, buckshot, and slugs can be reliably used in the 870 Marine Magnum with a 3" chamber. Are there any risks to feeding and ejection, effects on accuracy, or a buildup of plastic in the longer chamber?
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May 30, 2005, 08:07 PM
Yes you can. The chamber measurement is the upper limit of shell size that can fit, not a demand for that specific shell size.