1) What's the difference between the Express and Wingmaster models?
2) Are all 870 parts interchangeable? That is, if I buy any model 870 at all, and decide I want a different feature set, can I just buy a new barrell, chokes, and whatever else to make it match one of the different 870 models?
2) Are all 870 parts interchangeable? That is, if I buy any model 870 at all, and decide I want a different feature set, can I just buy a new barrell, chokes, and whatever else to make it match one of the different 870 models?
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