Battle Arms Development RIGIDRAIL 17" M-LOK Handguard is a sleek lightweight handguard for your AR-15 Builds. The RIGIIDRAIL design balances light weight and strength/rigidity. Made out of aircraftgrade aluminum it is only 10.44oz with hardware. It has a partial top rail at the rear and forward points of the handguard. The rest is either M-LOK slots at 3, 6, 9 and partial 12 o'clock postions or skelentonized, with an addditional 4 45° Positions for forward mounting lights, lasers, or etc. This handguard comes included with a barrel nut and barrel nut wrench.

Features and Specifications:
Partial Picatinny Top Rail (Matching BAD556 Lightweight Upper Receiver)
Material: Aircraft Grade 6061-T6 Aluminum
Overall Length: 17"
Weight: 10.44oz.
Inner Diameter: Side to Side-1.315in, Top to Bottom-1.695in
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)
No Barrel Nut Shims Required for Installation
17-4PH Cored Stainless Steel Rail Mounting Attachment - Patent Pending by CMT
Four Anti Rotation QD Sling Sockets: Two at front and Two at 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!