Sons of Liberty Gun Works M4 89 Match, Semi-automatic Rifle, AR, 223 Wylde, 18" Barrel, Ambidextrous Safety, 30 Rounds, Anodized Finish, Black 

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.

Product Specifications: 

• 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
• Barrel Length:    18.00
• Magazine Capacity:    30
• Action Type:    Semi-Auto
• Color:    Black
• Magazine Quantity:    1
• Cartridge:    223 Wylde
• Cartridge Capacity:    30
• Finish:    Anodized
• Make Model Fit:    Sons Of Liberty Gun Works.M4-89
• Item Width (Inches):    3.000
• Front Sight Type:    None
• Stock Material:    Polymer
• Magazine Included:    Yes
• Item Height (Inches):    7.850
• Magazine Type:    Detachable
• Muzzle:    Muzzle Brake
• Item Length (Inches):    35.000
• Rear Sight Type:    None
• Item Weight (lbs):    6.800
• Material:    Aluminum

Features:

• 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)
• 18" 223 Wylde Barrel
• M89 Handguard
• LaRue MBT Trigger
• Liberty Charging Handle
• NOX Muzzle Device
• B5 Furniture
• Vltor A5 Buffer System