Sons of Liberty Gun Works Mid Length AR-15 Combat Barrel w/ FSB-Delta Ring-Barrel Nut - 13.7in - 1/2x28 TPI

Sons of Liberty 13.7" Midlength Gas Combat Grade Barrel is a patrol ready barrel with a medium weight, government contour profile. The A2 FSB is pinned with Mil-Spec taper pins for rock solid stability. This barrel ships with a GI Barrel nut, delta ring assembly, and front handguard cap -- ready to equip with a plastic, two-piece handguard system such as from B5 Systems or Magpul.

• 5.56 NATO Chamber
• 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
• 1/7 Twist Six Groove
• 1/2-28 Threaded Muzzle
• MidLength Gas System
• .750″ Gas Block Journal
• 1 pound 13 ounces (w/ included GI Barrel Nut and Handguard cap)
• QPQ Corrosion Resistant Finish
• QPQ coated M4 Feed Ramp Extension
• High Pressure (proof) Tested (HPT)
• Magnetic Particle Inspected (MPI)