VFC M4 Hicap 300rd Magazine - Dark Grey valken vest The Tenergy lithium batteries are

The Tenergy lithium batteries are high quality and recommended by the Airsoft Atlanta staff

Uses all standard Glock 17 holsters

etc) as well

For details on cylinder and cylinder head compatibility

and gas gun magazines with it's unique design and lever action

VFC M4 Hicap 300rd Magazine - Dark Grey valken vest The Tenergy lithium batteries areVFC M4 Hicap Magazine. Dark grey metal color. Perfectly made to fit inside the VFC AEG product line of M4 rifles, but may also work in most other standard M4 type airsoft guns. 300 round capacity with windy wheel on the bottom. Metal and high quality from VFC. Very solid choice for the discerning M4 user.