the m&p15-22 sport features a 10" m&p slim magpul m-lok handguard which allows users to easily customize their weapon without removing the handguard.It includes a 2" m-lok rail panel with each rifle, and removable magpul mbus front and rear folding sights.It has a 6 position car stock, functioning charging handle, shell deflector, and two-position, receiver-mounted safety lever.This model m&p15-22 sport has a matte black finish, 16.5" barrel with a muzzle brake, 10-round magazine, and is ca, co, md compliant.Metal Finish: BlackAction: Semi-AutoCaliber: 22 LRBarrel Length: 16.50"Capacity: 10+1Trigger: StandardSafety: Manual ThumbOal: 33.80"Weight: 4.70 lbsStock Description: 6 Position CARTwist: 1:15"Barrel Description: AluminumMuzzle: Muzzle BrakeReceiver Material: AluminumSights: Magpul MBUS Front & RearBarrel Length Range: 16" to 16.99"Weight Range: 4 lbs to 4.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black