Amend2 Magazine, A2, 9MM, 17 Rounds, Fits Sig Sauer P320 Full Size, Polymer Construction, Black A2A320FULLBLK Amend2 magazines provide versatility to customers who use them in many different applications. From the casual to competitive shooter" the law enforcement professional to the hunter or any other place in between. Amend2 magazines will meet the demands of any set of requirements for any circumstance while performing head and shoulders above the competition.