Learn about the Psionic Upgrades Matrix-X Drop-in Bucking from SAT&Gaming Airsoft. This has versions for AEGs as well as Gas Blowbacks and VSR-10s... "These rubbers are the latest from Psionic Upgrades, after the shocking R-Hop the now famous Italian brand offers a traditional solution with top-of-the-range performance."

SAT & Gaming Airsoft got some good things to say about the Northeast Airsoft Sten MKV GBB SMG... "Faithful replica of the very famous STEN mk5, a Gas Blow Back that certainly contains several unique features of its kind. Monolithic and solid like the original, it has mechanical sounds of springs and moving parts that only a connoisseur of real weapons can appreciate properly."