Troy 12" Rail $125 Troy Industries 12" MRF Drop-In Battle Rail 2-Piece Quad Rail Handguard AR-15 Rifle Length- (mounted but never used) The Troy Industries MRF Drop-In Battle Rail Handguard is a 2-piece, non-free floating upgrade that installs in seconds to replace an AR-15's standard polymer handguards. The MRF drop-in quad rail utilizes Troy Industries' patented clamping design for a rock solid installation, making use of the rifle's existing barrel nut, delta ring assembly, front sight base and round handguard end cap. Machined from 6061 hardened aluminum and given a mil-spec anodized finish for durability, the MRF provides true M1913 Picatinny rails at the 3-, 6-, 9-, and 12-o'clock positions for the mounting of tactical accessories. For greater versatility, quick detach sling swivel sockets are incorporated into the 3-o'clock and 9-o'clock rails for easy sling attachment. Made in the USA. Specifications: Material: 6061-T6 Aluminum Free Floating: No Length: 12" Gas System Compatibility: Rifle Length Extras: Integral QD Sling Swivel Sockets at 3 and 9 o'clock http://www.midwayusa.com/product/30...-piece-quad-rail-handguard-ar-15-rifle-length WILL TRADE FOR: Stripped lower Set of armorers tools Maybe something else AR15 related?