"Full Description:\nThis Ruger AR-556 MPR rifle features an 18" PROOF Research carbon fiber wrapped barrel that is both attractive and significantly lighter than standard barrels, while still offering excellent accuracy and repeatability.\n\nFeatures:\n\u003cul>\n\u003cli>Ruger muzzle brake is a radial port design that significantly reduces felt recoil and muzzle movement. The threaded barrel allows for standard muzzle accessories to be installed.\u003c/li>\n\u003cli>Includes: one, 30-round Magpul PMAG magazine.\u003c/li>\n\u003cli>Bolt carrier and gas key have chrome-plated inside diameters to provide exceptional resistance to hot gases. The gas key is staked so that it will not loosen after extensive firing.\u003c/li>\n\u003cli>Made from aerospace-grade 7075-T6 aluminum forging, the flat top upper receiver includes a forward assist, dust cover and brass deflector.\u003c/li>\n\u003cli>Magpul M-LOK accessory attachment slots along the 3:00, 6:00 and 9:00 positions with additional slots on the angled faces near the muzzle.\u003c/li>\n\u003cli>Bolt is mil-spec 9310 and is machined, shot peened and proof tested for strength and durability.\u003c/li>\n\u003cli>Handguard is free-floated for accuracy and the slim, 15" length provides enhanced ergonomics.\u003c/li>\n\u003cli>Lower receiver is fitted with Magpul PRS Lite stock that balances the rifle and has secure length of pull and comb height adjustments for the best fit. Magpul MOE-K2 grip provides ergonomic access to trigger and safety controls.\u003c/li>\n\u003cli>Rifle-length gas system paired with chambering in .223 Wylde, a well-established chamber geometry that safely, accurately, and reliably functions with both 5.56 NATO and .223 Remington ammunition.\u003c/li>\n\u003cli>The Ruger Elite 452 AR-Trigger is a two-stage trigger that offers a smooth, crisp, 4.5 pound trigger pull. It features a full-strength hammer spring for consistent primer ignition and a lightweight hammer that enables a faster lock time for improved accuracy.\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Grooves: 4\u003c/li>\n\u003cli>Length of Pull: 13.88" - 15.25"\u003c/li>\n\u003cli>Overall Length: 37.63" - 39"\u003c/li>\n\u003cli>Finish: Gray Cerakote\u003c/li>\n\u003cli>Model #: 8548\u003c/li>\n\u003cli>UPC: 736676085484\u003c/li>\n\u003cli>Stock: Magpul PRS Lite\u003c/li>\n\u003cli>WEIGHT: 7.4 lb.\u003c/li>\n\u003cli>Twist: 1:8" RH\u003c/li>\n\u003cli>Handguard: Free-float with Magpul M-LOK slots\u003c/li>\n\u003cli>Caliber: 223 Wylde\u003c/li>\n\u003cli>Barrel Length: 18"\u003c/li>\n\u003cli>Thread Pattern: 1/2"-28\u003c/li>\n\u003cli>Height: 8"\u003c/li>\n\u003cli>Capacity: 30\u003c/li>\n\u003cli>Sights: None\u003c/li>\n\u003c/ul>\n"