Airtech Studios Amoeba Battery Extension Unit Color:Black But it holds a lot

But it holds a lot of BBs

This kit also includes a 70 degree bucking already installed along with a full black metal outer barrel (14mm CW threaded) and metal flash hider

Firefly Recoil Cylinder Valve for Marui M9A1 and compatible guns

Covered in rails for mounting optics and attachments

The compact Glock

Airtech Studios Amoeba Battery Extension Unit Color:Black But it holds a lotThe Airtech Studios Amoeba Battery Extension Unit is designed to fit on Amoeba AEG guns: AM13, AM14, and AM15. Comes in either black or dark earth tan colors. Very easy to install so you can add longer and bigger batteries in your rear stock buffer area. With it installed, you can use 9. 6v 1600mah nun chuck, and any longer 11. 1v batteries in it, with extra room to spare. This is a must have for those that want flexibility with battery space. Can fit