Sons Of Liberty Gun Works M4 EXO3 5.56 NATO Barreled Upper Receiver - 11.5"

The Sons Of Liberty Gun Works M4 EXO3 5.56 NATO 11.5" Barreled Upper Receiver is a high-quality upper for your next AR build. This upper receiver is built to the highest standards of quality and craftsmanship, ensuring that you get a product that is built to last.

The upper receiver features an 11.5" barrel made of 4150 crMov steel with a 1:7 twist, 1/2x28 thread pitch, and QPQ finish for superior protection against wear and corrosion. This EXO3 version includes all 3rd generation upgrades, including a 4140 steel barrel nut, proprietary lockup with custom 4140 set screw, and anti-rotation pin. It has a 10.5" M-LOK rail with slight finger grooves for control and lightening holes that are more spaced out than previous generations to stiffen the rail.

Features:

• 5.56 NATO
• 11.5" 4150 crMoV steel barrel, QPQ finish
• 1:7 twist
• 1/2x28 thread pitch
• .750" gas block
• Carbine-length gas system
• QPQ-coated M4 feed ramp extension
• High pressure tested
• Magnetic particle inspected
• 10.5" M-LOK handguard
• "F" marked taper pinned front sight block
• 4140 steel barrel nut
• Custom 4140 set screw
• Anti-rotation pin
• Weight: 2 lbs 12.5 oz

If you're looking for a high-quality upper receiver built to deliver exceptional performance, the Sons Of Liberty Gun Works M4 EXO3 5.56 NATO 11.5" Barreled Upper Receiver is an excellent choice. With its durable construction and top-of-the-line components, this upper receiver is sure to exceed your expectations.