Sig Sauer Magazine, 9MM, 17 Rounds, with Henning Group Aluminum Basepad, Fits Sig P365X Carry Legion, Steel, Black 8900844 Factory 17-round steel magazine for the P365-AXG LEGION pistol featuring the Henning group Aluminum basepad. This magazine includes rear witness holes to confirm loaded capacity and an orange follower making it easy to identify when unloaded. Compatible with P365-AXG LEGION and P365X-MACRO