Lower receiver is fitted with Magpul® MOE® grip and MOE SL collapsible buttstock on the Mil-Spec buffer tube. 15" Free-floating handguard. Made from aerospace-grade 7075-T6 aluminum forging. The Ruger® Elite 452 AR-Trigger. Rifle-length gas system. Magpul® M-LOK® accessory attachment slots. Also includes: One, 30-round Magpul® PMAG®.