The Troy Industries Drop-in Carbine Battlerail is the period-correct RAS replacement rail for builders recreating M4A1 SOPMOD Block configurations and Mk18 CQBR systems from the early-to-mid 2000s GWOT era. This 7-inch Picatinny rail drops into any standard M4/AR-15 carbine handguard position using the existing delta ring and handguard cap — no barrel nut removal, no permanent modification. Four full-length 1913 Picatinny rail sections provide 360 degrees of accessory attachment for PEQ-2, AN/PEQ-15, M3X lights, foregrips, and other period-correct SOPMOD accessories. The rail is constructed from aircraft-grade aluminum with a Type III hardcoat anodized finish, machined to MIL-STD-1913 rail specification for positive accessory indexing. This Troy Battlerail is the clone-builder's go-to for replicating Knights Armament RAS aesthetics at a more accessible price point, and has been confirmed correct for numerous NSW, CAG, and MARSOC M4A1 and Mk18 impressions from 2003–2010. Whether you're building a JSOC direct action impression or a functional patrol carbine, this rail delivers. Order yours today.
Knights Armament (KAC)