This E90 magazine catch, or mag catch, from Echo1 is a replacement part for the Echo E90. If your magazine release broke or fell of, this replacement will restore correct operation of your AEG.
The Echo1 E90 magazine latch will fit all brand AEGs, including the CA90 and the FN P90 AEGs. The P90 mag release can break from smacking the magazine into place. Make sure your gun feeds properly, and prevent losing your mags by replacing this part.