Features: Magpul MBUS Sights Magpul MVG Vertical Grip Magpul MOE Handguard Patented S&W Flash Hider Magpul MOE Grip & Buttstock 30 Round PMAG Magazine 5R Rifling Mid-Length Gas System S&W/Magpul Co-Branded Forged Lower ReceiverSpecifications: Model: M&P15 FDE Caliber: 5.56 mm NATO / .223 Capacity: 30 Rounds Barrel Length: 16" with Durable Corrosion Resistant Barrel Finish Action: Gas Operated Semi Automatic Overall Length: 37" Extended / 33.75" Compacted Stock: Magpul MOE Sight Length: 16.75" Barrel Twist: 1 in 8" Weight (No Mag): 6.54 lbs. Trigger Pull: 6.5 lbs. Upper/Lower Material: 7075 T6 Aluminum Barrel Material: 4150 CMV Chromed Components: Gas Key Bolt Carrier Firing Pin