I can't remember the optic. Its just a cheaper one (I think Simmons). Yes the barrel is free floating Based on the same revolutionary technology as its big brother the AR50-A1™, the smaller AR-30 offers the same amazing results. Boast a 26”, free floating, chrome moly barrel. Also features a rugged single stage trigger and a 5 round detachable magazine for fast reloads. Features a metallic stock to action interface. The patented V-Lock™ bedding wedge and V-Block stock assure absolute strength and repeatability for superb accuracy. The aluminum stock reinforces the receiver like a bench rest sleeve. Includes Bi-pod adapter, Owners Manual, 10 min. sight base, one five round magazine and covered by Limited Lifetime Warranty.