Description Anderson AM-15, AR-15 style semi auto rifle chambered in .300 BLK. Lower receiver is an Anderson AM-15 with a CMMG Mk4LE .300 BLK upper receiver. Upper has Carbine length handguard and A2 Style gas system, 16″ Nitride barrel with a 1:8 twist, fitted with an A2 style birdcage flash hider, A3 Flat top upper. Standard A2 style textured pistol grip and a Magpul collapsible stock on a four position buffer tube. Comes with a ten round P-MAG magazine. Must Ship to FFL, check local law for legalities of “Assault weapons” BEFORE placing a bid. Condition: Very good/Excellent with light handling wear, bore is bright with sharp rifling. Barrel Length: 16″ Serial: 16350039 Manufacturer: ANDERSON MANUFACTURING Caliber: .300 Blackout Model: AM-15/CMMG Mk4LE