Model 700 SPS Tactical with 16.5" Barrel with Threaded Muzzle. Shipped with Thread Protector Installed. Accepts AAC and other Threaded Flash Hiders, Muzzle Brake and Suppressors. Hogue Overmolded Ghillie Green Pillar Bedded Stock. X-Mark Pro Externally Adjustable Trigger Set at 3.5 pounds.