Groza- The OTs-14 groza is a Russian selective fire bullpup assult rifle chambered for the 7.62×39 round and the 9×39mm subsonic round. it was developed in the 1990 at the TSKLB SOO in tula russia. The weapon is colloquially known as OC-14 or OTs-14"groza". Used by-Russia Effective firing range-200m(groza-4);300m(groza-1) maximum firing range-400m(groza-4);500m(groza-1) Rate of fire-700rounds/m(groza-4);750rounds/m(groza-1) Barrel length-240mm(groza-4);415mm(groza-1) Manufacturer-TSKLB SOO about groza..