ECHO 1 General Assault Tool (GAT) Airsoft AEG Submachine Gun (BLACK)SPECIFICATIONS: BRAND: ECHO 1 MATERIAL: POLYMER LOWER RECEIVER METAL UPPER RECEIVER, BARREL, SLING LOOP MUZZLE VELOCITY: 350 370 FPS(W . 20G BBS) MAGAZINE CAPACITY: 250 ROUNDS INNER BARREL LENGTH: 165MM LENGTH: 13. 5" INCHES COLOR: BLACK PACKAGE INCLUDES: 1X AEG, 1X FOREGRIP, 1X BATTERY FEATURES: FULL METAL UPPER AND HIGH INTENSITY POLYMER LOWER RECEIVER WITHSTANDS RIGOROUS USE HIGHLY EFFECTIVE LIGHTWEIGHT AND COMPACT CQB DESIGN INCLUDES REINFORCED