Initial prototype. Also briefly sold as the Brass Eagle model 1455 Angel Semi-Auto.
Identification: Reversed (right-opening) breech
Year released: 1997
First widely-available marker.
Identification: No screen, wiring loom, NiCD battery
Year released: 1997
Has an LCD screen.
Identification: LCD screen, but no IR port.
Year released: 1999
Adds an IR programming port and COPS.
Identification: Hole for COPS sensor in breech, IR port.
Year released:
Replace LCD screen with non-LCD readout.
Identification: Originally shipped with an HP solenoid. Otherwise identical to the 04 Speed
Year released: 2003
Same as an 03 Speed, but with a different solenoid.
Identification: Solenoid
Year released: 2004
Weird hybrid between 04 Speed and A4 Fly
Identification: Originally shipped with a unique board. WDP-installed break-beam eyes.
Year released: 2004
Switch to break-beam eyes
Identification: Eyes, radically different milling from 05 and earlier, uses a 9V battery.
Year released: 2005
Different.
Identification: Different.
Year released: 2006
Low-pressure marker. Switch to 4.8V batteries
Identification: COPS ("Sensi") hole in breech
Year released: 2004
A4 with break-beam eyes.
Identification: Eyes.
Year released: 2005
a/k/a "The Gat". Return to 45-degree frames.
Identification: Different.
Year released: 2005
Upgraded valve.
Identification: Different.
Year released: 2005
OLED display
Identification: OLED display
Year released: 2006
Different.
Identification: Different.
Year released: 2006
Scenario player-aimed marker, with Picatinny rail option
Identification: I mean, really?
Year released: 2011
Sealed-breech
Identification: Eliminates the rotobreech
Year released: 2011