Modern plastic hulls are thin enough to where there is not going to be any pressure spiking issues from shooting 2-3/4" shells in 2-5/8" chambers. As many will say, it is done often with no problems. However, the benefit of shooting 2.5" rst or other low pressure loads in these guns are that it is less felt recoil and also less of a beating on our old guns.
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B. Dudley
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