300 Blackout Windham Weaponry / 7.62 x 35 mm Barrel Material: 4150 Chrome Moly Vanadium 11595E SteelSemi-Automatic, Gas Impingement System Rifling: 1 in 7″ – Right Hand TwistTelescoping buttstock Flat Top Upper Reciever Pistol Grip: A2 Black Plastic GripForged 7075 T6 Aircraft Aluminum with Aluminum Trigger  Nikon Scope P 300BLK M02A  Weight: 6.15 lbs. without magazineBarrel: 16″ Medium Profile, Chrome Lined with A2 Flash Suppressor Length: 38″ / 32.5″ with Telestock Collapsed.

Includes: 

Hard Plastic Gun Case if seller wants, otherwise comes with gun case.

260 Rounds of 300blk 

40 rounds are subsonic 220 grain

150Rounds are Supersonic Rounds 150 grain FMJBT

20 Rounds are Super Sonic 124 grain FMJ

I have owned this gun almost 10 years

This gun has only less than 50 rounds through it! Come see for yourself!