The base model comes with the handguard, barrel nut, 2 roll pins, 3 rail backers, and wrench.
The Revolution Handguard is a free float tube available in carbine length with rubber panels and rails. Rubber panels are sold in one size and can be cut for custom configurations.
Made from 7075 aircraft aluminum, the Revolution Handguard is ultra thin at only 1 3/8" wide and weighs just 7.06 ounces. It is hard coat anodized and Teflon coated black to match your other CMMG parts and utilizes standard T markings on the picatinny flat top rail.