Sons Of Liberty Gun Works M4-EXO3 5.56 AR-15 Barreled Upper Receiver Group - 13.7" - EXO3UPPER-13.7-556

If you’re searching for a quality upper receiver that provides superior performance with more features you’ll expect to see for the price, Sons Of Liberty Gun Works offers the M4-EXO3 upper with a 13.7-inch barrel chambered to handle a 5.56 NATO round. The M4-EXO3 is SOLGW’s latest entry-level upper receiver manufactured to provide you with minimum maintenance and exemplary performance for years.

Features:

• Barrel: 13.7″
• Caliber: 5.56 NATO
• Barrel Material: 4150 Chrome Moly Vanadium
• TPI: 1/2×28
• Barrel Finish: QPQ Corrosion Resistant
• Anodized: Type III Class 2

This M4-EXO3 receiver is a third-generation AR15 upper receiver from SOLGW in their field-tested EXO series upper receivers and rifles.

When you need an upper receiver that can handle dynamic environments and still perform, the M4-EXO3 upper from Sons Of Liberty Gun Works features a barrel of 4150 Chrome Moly Vanadium that’s been pressure and heat treated. With an M4-EXO3 from SOLGW, you’ll get dependable performance during the lifetime of the upper. The entire upper features a QPQ corrosion-resistant finish and a QPQ coating on the M4 feed ramp extension. Undoubtedly, one of the better upper receivers on the market today, the M4-EXO3 upper receiver is built for steady and continued performance, whether used for hunting, competitive matches, or home defense.