Bushmaster

.223 WYLDE (5.56 NATO/.223 REM)Barrel Length: 18"Barrel Material: 416R Stainless SteelBarrel Finish: Bead BlastedBarrel Thread Pitch: 1/2 x 28Twist Rate: 1:8Weight w/o Magazine (lbs): 7.6 lbOverall Length: 33.38" - 36.5"Gas System: Rifle LengthModel Marking: XM15-E2S®Lower Receiver Material: 7075 Aluminum AlloyLower Receiver Finish: Type II Hard Coat AnodizingUpper Receiver Model: A4 Flat TopUpper Receiver Material: 7075 Aluminum AlloyUpper Receiver Finish: Type II Hard Coat AnodizingBolt Material: Carpenter 158Bolt: MPI Tested (Magnetic Particle Inspection)Bolt Carrier Group Finish: Salt Bath NitrideHandguard: BFI® 17" BRAVO ZULU™ M-LOK HandguardHandguard Finish: Type II Hard Coat AnodizingStock: Magpul® PR™ StockGrip: Magpul® K2-XL GripTrigger Guard: Magpul® MOE® Enhanced Trigger Guard, PolymerTrigger: DM2S® 2-StageSafety Selector: Mil-Spec SelectorMuzzle Device: BFI® Thread ProtectorMagazine: Magpul® PMAG® AR/M4 GEN M2 MOE®Magazine Capacity: 10 RoundCase: Bushmaster® Hard Case