The Troy Industries Sig-556 Battle Rail is a two-piece quad rail that installs using the factory optic mounting screws. The M1913 picatinny Mil-Spec rails will accept any accessories. The rail has multiple sling attachment points and a continuous top rail. The Sig-556 is machined from 6061-T6 hardened aircraft aluminum and finished with a durable Mil-Spec type 3 anodizing. This rail is designed for the pistol version of the 556. Troy Micro Flip Up Battle Sights are recommended for use with this rail. All NFA rules apply. Made in the USA.
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