Hello all ! glad to finally "officially" join the shotgun forum.... picking up my shotty hopefully next week..... Was wondering what kind of ammo should i buy and how much ammo should i shoot through to "break in " my new gun (slugs/ #4 shot/ etc)? also what kind of ammo , manufacturer wise , is less expensive so i can by an abundance to take to the range ,for the break in period. Also is there a specific break in procedure for new shotguns? Sorry for all the question but pretty excited getting my first shotty which is a 590a1. 
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