Gauge: .223/5.56, 7.62X39, 300 BLK Out, 366 Viper

Stock: Battle Arms Development VERT Collapsible Stock AR15 PDW BAD-CSS

Barrel Length: 4.75" 416R Stainless Steel 1:5 Twist, Muzzle Thread 1/2-28

Overall Length: 18"

Receiver: Viper Strike Industries

• Precision CNC Machined from Billet

• Tapered Magwell

• Better CQB Grip

• EZ Trigger Adjuster

• Upper Tensioning Device

• Oversized Trigger Guard

• Mil-Spec Compatible

• Multi-Cal Markings

Upper: Viper Strike Industries

• Precision CNC Machined from Billet

Operating System: Blow Back