BCM AR-15 pistol.11.5" barrel, Trijicon ACOG, comes with Odin works adjustable gas block, Larue trigger,streamlight light with pressure switch, magpul bad lever slide release SB BRACE Oden works ambi safety, and a Armaspec Stealth captured buffer spring. I have the paperwork showing I sent the ACOG to Trijicon and had the tritium and seals replaced in 4/2021 Text REDACTED/p>