Promag polymer quad-rail handguard - Pro Mag AR-15/M4 Polymer Quad Rail Carbine Handguard PM242

I purchased this for the looks and the price, as I wanted a quadrail that resembled Knights Armament used by military, but for an economic pistol build that I wanted to make look close to a Mk18; and since it's a pistol and not an SBR, the only thing I'll be mounting on it, is a light. And I'm glad I went with this, as it installs exactly the same as carbine handguards, has that "mil-spec" rail look I wanted, and even has the slight notches that fit the KAC rail covers. Installs easily and solid enough for my purposes. If you're looking to mount some laser aiming module/IR light and/or vertical grip and have something rock solid, I'd pay more and go with Troy Industries. But if you just want a cost effective, railed alternative to carbine handguards, (even if you want that military rail look), buy these! Opticsplanet.com shipped them super fast too.