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Radical Firearms First-Gen Quad Rail System (FQR) has been discontinued by Radical Firearms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Grips, Gun Parts yourself to try and find the perfect replacement for you!
The Radical Firearms FQR (First-Gen Quad Rail) was designed and manufactured right here in Houston. Our free float design offers the ultimate control for tactical, competition or sporting applications. Full length M1913 Picatinny rails at the 3-, 6-, 9-, and 12-oclock positions for the mounting of any accessories. 7075 Construction. 1 piece free float design. Rigid Design. Billet Aluminum barrel nut. Seamless top rail. Mil-Spec 1913 Picatinny Rails at the 3-, 6-, 9-, and 12-oclock positions. 1.8 inch inside diameter to accept most suppressors. Type III Class 2 Hard-coat Anodized Finish. Machined in QD Sling Mounts. Anti Rotation Tabs. Includes: Handguard. Barrel Nut. Mounting Screws. Shims.![]()