Live Free Armory LFBRL84034: The Battle Rifle Lite is purpose-built, with all of the features needed to be an accurate and reliable rifle for any situation. The AR15 style firearm features M-LOK attachment technology with the Live Free Armory Lite 15\" rail. The receivers are machined from 6061-T6 billet aluminum, government profile barrels are 4150 Chrome Moly Vanadium steel, mid-length gas system provides smooth and reliable cycling under any condition and reduces both perceived and felt recoil. With the M-LOK attachment points that run along three positions and four QD sling attachment points, the BRL has plenty of room for the sights, optics and accessories.