Dirty Bird AR-15 MCF Complete Lower Receiver - Black - BLEM

SKU# D069-1B | by Dirty Bird Industries
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May have small cosmetic blemishes which do not affect function.

We built the Dirty Bird MCF Complete Lower to be the best AR-15 complete lower for the money.

Why trust Dirty Bird Quality components sourced from tier 1 manufacturers. Assembled by competent professionals who take pride in their work.

Quality Materials, Durable Finish

  • 7075-T6 Forgings
  • Precision machined on state of the art CNC equipment with quality and tolerance checks throughout the machining process
  • Matte black Mil 8625 Type 3 Class 2 hard-coat anodizing

Maximum Compatibility

  • "Multi-Cal" markings for compatibility with many different caliber uppers
  • Machined to Mil-Spec dimensions
  • Compatible with all standard AR-15 components and magazines

Premium Parts Kit Installed

  • Mil-spec Lower Parts Kit w/ machined components (not MIM)
  • Enhanced Fire Control Group (FCG) w/ honed sear engagement surfaces for a smooth pull and clean break
  • Enhanced polymer trigger guard
  • Dirty Bird True Mil-Spec Carbine Buffer Kit
    • 7075-T6 receiver extension (featuring an impossibly smooth ID that minimizes the spring noise)
    • 3oz carbine recoil buffer w/ steel counter weights
    • Chrome silicon buffer spring
    • Mil-spec castle nut & end plate
  • A2 Grip can be easily swapped for grip of your choice
  • Stock not included. Builder is free to choose any stock they like

American Made

Dirty Bird Industries' Limited Lifetime Warranty

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