Ruger model 8530 AR 556 chambered in AAC 300 blackout features free-float handguard with M-lock. Barrel is 16.1 inch from factory.It has 4140 chromoly cold forged barrel.It has a flat top upper receiver with full picatinny rail. Gun comes with one factory mag and a single stage trigger. Gun is in excellent condition. Thanks for looking and feel free to ask questions. No trades. Gun is located in Longview,Tx. $650 OBO Text or call. 903-746-7144