SLR Rifleworks 15" HELIX Series - (Keymod)
14.87" Exact top rail length Excellent feel for todays modern shooters Keymod accessory compatible 4 Built in QD swivel mounting points front and rear on right and left side No timing of barrel nut required, no shims needed Works with any receiver forged or billet 1.35" ID Mil-Spec Hardcoat Anodize 7075 Barrel nut w/ Hardcoat Anodize Melonite Finish Hardware 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 Continuous top rail design allows optic mounts to cross receiver/handguard threshold Mil-Spec 1913 Mounting rails