SOLGW M4-89 Rifle


The M4-89 is one of the premier fighting rifles we offer. It houses a combat grade barrel, A5 buffer system, Liberty Fighting Trigger, and B5 furniture. At Sons of Liberty Gun Works, we always tell our customers that it’s not what a rifle company tells you, it’s what they don’t tell you. Below you will find the complete specifications of the M4-76. We have built our guns to run through years of hard use, and we have nothing to hide.

  • Barrel: Sons of Liberty Gun Works 4150CoMOV 1:7 MPI HPT Barrel
  • Barrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
  • Twist Rate: 1/7 Twist Six Groove
  • Thread Pitch: 1/2-28 Threaded Muzzle
  • Gas Block: .750″ Gas Block Journal with appropriately sized gas port
  • Barrel Finish: QPQ Corrosion Resistant Finish
  • Barrel Extension: QPQ coated M4 Feed Ramp Extension
  • High Pressure (proof) Tested (HPT)
  • Magnetic Particle Inspected (MPI)
  • Twist Rates & Thread Pitches will match caliber. Match grade firearms will have 416 Stainless Steel barrels.
SKU: 785939518856 Category:


There are no reviews yet.

Be the first to review “SOLGW M4-89 Rifle”

Your email address will not be published. Required fields are marked *