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Wilson Combat's T.R.I.M rails for AR pattern rifles have been updated with the Magpul M-Lok accessory attachment system, offering the best of both worlds. These AR handguard rails are available in different lengths and are user-installed, making them among the ultimate in high-quality, modularity.

Wilson Combat's precision machining enables fast, easy attachments of multiple shooting accessories popular across the industry, with M-Lok positions at three, six, and nine o'clock. Although the barrel nut design was retained from the original T.R.I.M rail, these new rails have a lighter and sleeker profile.

The T.R.I.M. (Tactical Rail Interface, Modular) AR rail is among the lightest, strongest, and most versatile compact free-floating rail systems in the market. Machined from high-strength 6005A-T5 aircraft aluminum with a Mil-Spec hard anodized finish, the T.R.I.M. rail handguard and its robust, anti-rotational mounting system maintain strength, stability, and accuracy without the bulk. The oversize and tough nitrocarburized 4130 steel barrel attachment nut reduces heat transfer, and the ergonomic handguard design offers a sleek, non-abrasive platform for comfortable, dynamic shooting.

Installation is a cinch with common hand tools, and the rail can be easily removed or replaced in the field. The 1.47" internal diameter is compatible with most low-profile gas blocks, and the overall weight with attachments is 12.2 oz/ 13.4 oz.

Please note that the handguard's hardened screws used are tapered at the base to ensure a flush and smooth fit. During the initial installation, a small amount of grease should be applied to the screw's tapered shoulder to prevent screw galling against the softer rail. If a screw seizes and becomes immobile, do not attempt removal and please contact Wilson Combat.