PRODUCT DESCRIPTION PRODUCT SPECIFICATIONS PCC BACKPACKER 9MM 16" FO SGT# Barrel Length: 16.1" Manufacturer: Ruger Model: Pistol Caliber (PC) Carbine Rate of Twist: 1-in-10 Finish: Anodized UPC: 736676191291 Caliber: 9mm Action: Semi-Auto Thread Pattern: 1/2x28 Color: Synthetic Stock MAGPUL Backpacker Synthetic Capacity: 17 + 1 Requires FFL: True