20" rosco barrel, superlative gas block, BA +1" rifle gas tube. Rexus Ultrabolt, and an extra spare type 2 generic bolt. And two of the new FDE straight duramags. Only selling as switched to 6ARC bolt gun. Can sell complete upper with arca handguard bcg, sico asr, charging handle. But would prefer to keep for future builds. Text 704 seven 54 six47 three