The formidable Tippmann A-5 just got a little better. Tippmann went through the A5 and improved on 10 key areas to help the A5 become more more reliable, accurate and easier to maintain:-

New Cyclone Feed System - feeds up to 15 balls per second without batteries
New External Selector Switch - allows players to switch easily from safety to firing mode
New Larger Front Grip - has a better feel and upgrades are easier to add
New Stock Barrel - 8.5” high-performance stone-honed barrel enhances accuracy and reduces noise
New Redesigned Internal Bore - wider design for faster field stripping and easier maintenance
New Lighter Receiver Design - reduces the overall weight of the marker
New Tombstone Connections - maintenance is faster and easier
New Sling Mounts - removable front mount makes it easy to add a sling
New Low-Profile Hopper - offset design offers a clear sightline
New Black Gasline - provides greater on-field stealth and heavy-duty construction

The Tippmann A5 is also compatible with a slew of performance upgrades and mods including the all new MP5 Style Flatline Barrel, Response Trigger and Hall Effect (H.E.) E-grip with Selector Switch. The Tippmann A-5 has always been and remains one of the most popular paintball guns on the market, and with the added features found in the new revised version, the Tippmann A5 is sure to remain a staple of the paintball industry for years to come.
This Response Trigger version of the Tippmann A5 includes a factory installed Response Trigger System. The Response Trigger is an air assisted trigger that allows the A5 to fire full auto bursts of fire. The Response Trigger does not require any batteries because it is air operated. And you easily control the sensitivity of the trigger via the flow control valve on the right side of the grip. This is an awesome firepower upgrade that many users will appreciate for it's simplicity and performance.