<p>ADCOR A-556 ELITEâ„¢: A world class automatic rifle from Adcor Defense Custom rifle stock Custom ergonomic rifle grip withaggressive texturing 1:7 twist chrome-lined barrel Optics ready Forward placed, reversible/ambidextrous charging handle Gas piston system with multi-position regulator Free-floating barrel Chambered for 5.56 Ejection port dust wiper Two-piece keyed quad rail system Tool-less field strip design Manufactured from BILLET 7075-T6 aircraft quality aluminum. Machined by state-of-the-art CNC equipment at Adcor Defe</p>