AMAG 17 SG9 9MM SIG P320 SST 100 CASE PACK Manufacturer Model Number: MAG1331-SST Manufacturer: Magpul Model: AMAG 17 SG9 Caliber: 9mm Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 17 rd. Finish: Stainless Steel Shipping Weight: 0.19 Feature: Fits Sig P320/M17 Optic Adjustable Objective: false Optic Reticle Illuminated: false