Helix 3.7 MLOK

HELIX 3.75" MLOK Handguard

Will work fine with 9mm barrels

• 3.75" Exact length 
• No timing of barrel nut required, no shims needed
• Works with any receiver forged or billet
• ​1.35" ID
• Gen 4 
• Mil-Spec Hardcoat Anodize
• 7075 Barrel nut w/ Hardcoat Anodize
• Free Floating Design
• Proven Slip fit locking mount design, much more secure than a clamp type mount.
• Billet Anti Rotation Insert (black insert included)
• Proven Anti Slip Design  keys into barrel nut
• Barrel nut uses standard wrenches or SLR Billet wrench for perfect fit
• Mil-Spec 1913 Mounting rails