Sig Sauer MCX-Spear LT | Complete Upper Receiver | .223 Remington/5.56 NATO | 11.5" Threaded Barrel | 1/2X28 Thread Pitch | Fits AR-15 Lower Receivers | Anodized Finish | Black | Includes Charging Handle and Bolt Carrier Group | 3-Prong/SIG Suppr

The MCX-SPEAR LT, developed for the SF community, is the most advanced platform of its kind. Convert any M4/AR15 platform into a modernized folding firearm with superior reliability, durability, and accuracy. This item includes a complete 11.5"" 5.56 NATO upper assembly. It features a removable 3-prong flash hider ready to accept a SIG SLH/SLX suppressor. It also includes a receiver extension delete stock adapter so you may mount any folding or static stock or brace that uses a vertical 1913 rail system.

KEY FEATURES:
Adapts with Any M4/AR15 Spec Lower Assembly | Dual Rod Recoil Assembly Eliminates Buffer System | Adjustable Gas System | Quick Change Barrel Design | Ambidextrous Charging Handle with Gas Deflector | Tapered Bolt Design | Compatible with SLX/SLH Suppressors | M4 Adapter Allows for Picatinny Rail Folding Stock Capabilities