Tippmann M4 Airsoft ASA tank Adapter #T550004 BBs & Accessories Removable flip-up front and rear

Removable flip-up front and rear iron sights

O-ring sealed at all interfaces

If locking down the corner or fortifying the back center is your game

As an added bonus

Change the look of your DM14 with this grip kit

Tippmann M4 Airsoft ASA tank Adapter #T550004 BBs & Accessories Removable flip-up front and rearM4 Tank Adapter Installs in minutes Allows you to attach a co2 or HPA tank to your M4 The M4 Tank Adapter allows you to screw in a co2 or HPA tank directly into the bottom of the grip. The advantage to using a co2 or HPA tank is the incredible number of shots youll get. Most players can shot all day without refilling. Its the most economical way to play. Shots per source: (actual results may vary due to atmospheric conditions, tests performed at 72F)