Sig Sauer SIG556 Classic SWAT 5.56mm Rifle

Firearm Specifications,Item Number: R556-16B-CS-RD
Caliber: 5.56 x .45mm NATO
Overall Length: 35.875 in
Barrel Length: 16 in
Rifling: 1 in 7 in
Number of grooves: 6
Weight w/out Mag: 8.2 lbs
Mag Capacity: 30 Rounds
Accessory Rail: Yes
Features: Quad rail and Rotary Diopter Sight