SOLGW M4-89 13.7" Rifle

SOLGW M4-89 13.7” Rifle was designed to be Ultimate Fighting Rifle featuring Sons of Liberty Gun Works new M89 Drive Lock Rail, Combat Grade Barrel, Liberty Fighting Trigger and the Vltor A5 buffer system. 

Notable Features Include:

• SOLGW 13.7” 1:7 MPI HPT Barrel (pinned to 16")
• NOX 556 Muzzle Device Keymount
• 5.56 NATO Caliber
• 4150 CrMoV Barrel Steel
• 1:7 Barrel Twist Rate
• Thread Pitch: 1/2-28 Threaded Muzzle
• Gas Block: .750″ Gas Block Journal with an appropriately sized gas port
• Weight: 27 Ounces
• NOX 5.56 Muzzle Device Keymount

Lower Receiver Features Include:

• Material: Made from Mil-Spec 7075-T6 aluminum forgings
• Finish: Anodized to Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodize Coating, Flat Black Dye, Non-Reflective, NiAc Seal
• Contour is fully machined leaving no flash marks from the forging. All lowers are cut with M16 auto pocket.
• Safe, Fire, and Full Auto Pictograms.

Buffer System Features Include:

• Receiver Extension: Intermediate Receiver Extension Tube made from 7075-T6 Aluminum
• Buffer: A5H2 Buffer
• Buffer Spring: SpringCo Green Rifle Length Spring
• Receiver end plate: QD Mil-Spec with properly staked Castle Nut
• Fire Control Group: SOLGW Liberty Fighting Trigger (LFT) with consistent 5.5lb pull.
• Safety Selector: SOLGW Selector
• Grip: B5 Systems Grip
• Stock: B5 Systems Bravo Stock

Upper Receiver Features Include:

• Material: Made from Mil-Spec 7075-T6 aluminum forgings.
• Exterior & Interior Finish: Anodized to Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodic Coating, Flat Black Dye, Non-Reflective, NiAc Seal
• Engraved T-Marks
• Gas Block: SOLGW Lo-Pro Gas block made from 4140 Steel and Nitride Treated with Knurled Head Set Screws
• Gas Tube: SOLGW Standard Mid Length Melonited Stainless Steel
• Rail System: SOLGW M89 Drive Lock
• Weight: 13oz