PRODUCT DESCRIPTION PRODUCT SPECIFICATIONS FN15 GUARDIAN 5.56MM 16" 10+1 Color: Collapsible / Folding Stock Custom FN 6-Position Manufacturer: FN Model: FN 15 Guardian UPC: 845737017439 Finish: Matte Black Action: Semi-Auto Rate of Twist: 1-in-7" Thread Pattern: 1/2x28 Barrel Length: 16" Capacity: 10 + 1 Caliber: 223 Rem | 5.56 NATO