Sons of Liberty Gun Works M89 13″ DRIVE LOCK RAIL M-LOK

• Length: 13″
• Internal Diameter: 1.4″
• Finish: Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodized Coating, Non-Reflective, NiAc Seal (Anodized to match SOLGW receivers)
• T-Marks: Engraved T-Marks

What’s included: Rail, Barrel Nut, Lock-Up Components, and Instructions for Installation