Kriss USA Vector SBR G3 Specifications Manufacturer: Kriss USA Model: Vector SBR G3 Family: Vector Series Type: NFA Short Barrel Rifle Item Group: Short Barrel Rifles Action: Semi Auto Caliber/Gauge: 10mm Finish: Arctic Delta Camo Finish Type: Camo Stock: Collapsible and Folding Stock Stock/Grips: Telescopic Folding Stock Barrel Length: 5.5" Overall Length: 26.2" Rate of Twist: 1 in 10" Capacity: 33+1 Number of Magazines: 1 Magazine Description: 33 Round Sights: Low Profile Flip Sights Sight Type: Adjustable Sights Thread Pattern: 9/16x24 Special Feature: Threaded Barrel Weight: 6.4 lbs Safety Features: Ambidextrous Safety Operating System: Closed Bolt Delayed Blowback Handguard: 1 Slot M LOK Gen 3 Trigger: Pivoting Single Stage Trigger