Features: 

• Extremely rugged one piece free float design and construction
• Featuring seven sides of M-LOK compatible slots
• Inside diameter 1.670 inch outside diameter 2.0 inch 1.95 inch over mounting flats
• Made for use with suppressors no larger than 1.55" in diameter
• High quality MIL-STD 1913 top rail T-marked for accessory location
• One five slot M-LOK polymer rail section included
• Barrel nut and barrel nut wrench included
• Construction from 6061 aluminum hard coat anodized for a lifetime of service
• 10.50" – 11.2oz
• MI Lifetime Warranty
• 100% Made in America – Keeps America Working
• US Patent Number USD788871