Dirty Bird 16 Left-Handed Complete Upper - Government Midlength 5.56 M-LOK

Dirty Bird 16 Left-Handed Complete Upper - Government Midlength 5.56 M-LOK The Dirty Bird 16 Left-Handed Complete Upper is purpose-built for left-handed shooters seeking reliability, precision, and compatibility with mil-spec AR-15 lowers. Featuring a forged Stag Arms A3 upper receiver with a functional forward assist and dust cover, this upper delivers smooth ergonomics and high performance. At its core is a 16 government profile barrel chambered in 5.56 NATO (.223 compatible) with a 1:7 twist and Black Nitride finish. The mid-length gas system ensures smoother recoil and improved reliability, backed by a Sub-MOA guarantee. The ASAL "Competition Cut" M-LOK handguard provides secure mounting and optimal heat dissipation. Now includes a BCG and charging handle-a complete solution for any left-handed AR builder. Barrel Chambered in 5.56 (will also function with .223) 16" Government Profile w/ 1:7 Twist Mid-Length Gas System Black Nitride Finish High Pressure Tested and Magnetic Particle Inspected Sub-MOA Guarantee Handguard Patented ASAL (Anti-Slip, Anti-Lift) mounting system "Competition Cut" top rail Upper Receiver Precision Machined from top-tier 7075-T6 Aluminum Forgings (forge marks may vary) Not all forged uppers are created equal, and we only use the best for our uppers, meaning they will be free from excessive pitting, machined to spec, and finished with quality (not purple or chalky) hard coat anodizing M4 Feedramps Forge Markings may vary May or may not have T-Marks Bolt Carrier Group Finish: Salt Black Nitride Bolt: 9310 Alloy Steel (High Hardness) Carrier: 8620 Aircraft Grade Steel Extractor: Shot Peened and Case Hardened D2 Tool Steel Firing Pin: Mil-spec 8740 steel with hard chrome finish Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed Cam Pin: 8620 Steel w/ Black Nitride Finish Backed by Dirty Bird Industries' Limited Lifetime Warranty 100% American Made