I got a few sample products I wanted to quickly share with everyone :) First off Bolt Airsoft, a Taiwanese based company, sent me one of their B4A1 (M4A1 Copy) AEG Airsoft rifles featuring BRSS - (Bolt Recoil Shock System) which has Blowback with simulated recoil. Read full article here: https://www.replicaairguns.com/2012/11/7/bolt-b4a1-brss-blowback-with-recoil-airsoft-rifle-asg-bt-moc.html