Adcor Defense is now manufacturing a version of their Brown Enhanced Automatic Rifle (B.E.A.R) rifle that uses standard AR-15 direct gas impingement instead of a piston. The B.E.A.R GI is available with the same forward ambidextrous non-reciprocating charging handle as the piston model, or without it. The B.E.A.R GI Elite model comes with Magpul MOE furniture and a FN-manufactured barrel with M249 rifling. We do not have pricing information at this time.