Standard Mfg STD-15 300BLK 16 RH KM Flip Sights

What makes the Standard Manufacturing Company's AR-15 different than everything else out there you ask? Well for starters we machine the lowers and uppers completely in-house to the quality level you expect from a company that has mastered the art of gunmaking. - Muzzle Device: Yankee Hill Machine Phantom Flash Hider (YHM-28-5C2) or Pinned Phantom Muzzle Brake (YHM-28-5M1) (For NJ and MA) - Barrel: 1/9 Twist 4150 CMV Government Profile with M4 Feed Ramps and QPQ Nitride Coated inside and out. - Gas Block: Extended Low Profile Gas Block - Handguard: Extruded Keymod 10 Super Light Rail - Gas System: Carbine Length Direct Gas Impingement - Barrel Nut: Proprietary Barrel Nut - A3 Upper Receiver Anodized Finish - Front and Rear Manual Flip Iron Sights - Standard Charging Handle - SB Nitride Carrier Bolt Carrier Group and SB Nitride Bolt Made of Carpenter 158 Steel - Standard Milspec Lower Receiver 7076-T6 Aluminum and Anodized Finish - Milspec Lower Parts Kit with Stainless Steel Trigger and Stainless Steel Speed Hammer - Pistol Grip: Mission First Tactical EPG16V2 - 6 Position Carbine Buffer Tube - Carbine Buffer (Standard Weight) - Receiver End Plate with Ambi Single Point Sling Loops - Stock: Mission First Tactical Minimalist Stock Adjustable (Will be pinned for NJ and MA) - 30 or 10 Round Mission First Tactical Polymer Magazine