G&G M4 120 Round Polymer Midcap Magazine (Black / Tan) Color:Black also re-engineered the hopup levers

also re-engineered the hopup levers and concave nubs to work best with R-hop and Standard-Hop to keep the BBs shooting straight and accurate on every single shot

Power (Muzzle Velocity): 280 FPS

Specifically for the TM AA12 and SGR-12 shotgun only

You can also purchase their 14mm CCW thread adapter if you prefer alternative aftermarket parts

● Flip-up lens covers won’t obstruct your vision

G&G M4 120 Round Polymer Midcap Magazine (Black / Tan) Color:Black also re-engineered the hopup leversG&G 120rd Polymer Mid cap Magazine for M4 M16 Series Airsoft AEG Rifles Features: Made from High Strength Nylon Reinforced Polymer High Tension Spring Quality Fit and Finish Color: Black Tan Capacity: 120rds Compatibility: Works best with G&G brand AEGs Manufacturer: G&G