Angry Gun TAR 21 Military Rail System comes with rails where you can attach all your accessories just to help your TAR 21 look more 'tacticool'. It's made out of metal making it very sturdy and durable.
For ARES / S&T / Cyber Gun / Elite force TAVOR TAR 21
Disclaimer: All aftermarket upgrade parts require necessary skill or modification to install and assemble, please consult with your airsoft technician if needed.