With the unfortunate news of Anderson Manufacuring closing its doors, we will not be able to warranty or exchange any items directly through them. These items are not returnable. The Anderson Manufacturing AM-15 features a 16" CMV barrel, 15" M-LOK handguard, 7075 T6 aluminum forged receiver, telescoping stock and chambered in 5.56 NATO. This cost-effective rifle is made and manufactured right here in Hebron, Kentucky. Its foundations begin at Anderson's forged Lower and Upper Receivers.Comes with an Anderson Stainless Steel Lower Parts Kit, six-position adjustable carbine stock, iconic A2 grip and flash hider installed.15'' MLOK Handguard with forward-top, upper receiver-height picatinny rail.Comes with 30 round ASC MagazineSpecifications:LOWER RECEIVER MATERIAL: Forged 7075 T6 AluminumUPPER RECEIVER MATERIAL: Forged 7075 T6 AluminumUPPER RECEIVER FINISH: Type 3 Hard Anodized - BlackLOWER RECEIVER FINISH: Type 3 Hard Anodized - BlackTRIGGER GUARD: Open TriggerRF-85 TREATED: Non-treatedBOLT CARRIER FINISH: NitrideBOLT CARRIER MATERIAL: 8620 SteelBOLT FINISH: NitrideBOLT MATERIAL: 9310 SteelBARREL MATERIAL: 4150 Chrome Moly VanadiumBARREL LENGTH: 16 inchesBARREL FINISH: NitrideBARREL CONTOUR: M4 ContourTWIST RATE: 1:8GAS SYSTEM LENGTH: Carbine LengthGAS SYSTEM TYPE: Low ProfileGAS BLOCK DIAMETER: .750 inchCHARGING HANDLE: Standard Charging HandleBOLT CARRIER GROUP: Standard M16 ProfileHAND GUARD TYPE: M-LokPISTOL GRIP: Magpul MOE gripTHREAD PATTERN: 1/2 - 28MUZZLE DEVICE: A2 Flash HiderBUFFER TUBE: 6 Position Buffer TubeBUTT STOCK/BRACE: Magpul MOE Stock