Battle Arms Rigidrail M-LOK AR15/M16 Rail

Features:

• Proprietary RIGIDRAIL™ rail design to balance between light weight and strength/rigidity
• Partial Picatinny Top Rail (Matching BAD556-LW Lightweight Upper Receiver)
• Material: Aircraft Grade 6061-T6 Aluminum
• Length Options: 6.7in, 9.5in, 13.7in, 15in, 17in
• Weights:6.7in, 5.9oz, 9.5in 7.3oz, 13.7in 9.0oz, 15in 9.6oz, 17in 10.44oz
• Inner Diameter:  1.315in
• M-LOK Slots at 3, 6, 9, and partial 12 o'clock positions
• Additional Single M-LOK Slots at (4) 45° Positions for Forward Mounting Light, Laser, etc.
• Barrel Nut Diameter: 1.378in
• Barrel Nut: 7075 Aluminum Type 3 Class 2 Hard Anodized Clear (Bronze finish)
• Barrel Nut Wrench Included
• No Barrel Nut Shims Required for Installation
• 17-4PH Cored Stainless Steel Rail Mounting Attachment - Patent Pending by CMT
• (4) Anti Rotation QD Sling Sockets: (2) at the front and (2) at the rear.  3 & 9 o'clock Positions
• No Contact with Gas Tube
• Compatible with most Low Profile Gas Blocks
• Rotation limited QD sockets
• Finish: Mil-Spec Type 3 Class 2 Hard-coat Anodized
• Compatible with AR-15 Upper Receivers
• Made in the USA