BT-4 Combat: The base model Ben Tippmann marker.  All of the power, none of the flash. Some parts are compatible with the the Tippmann A5. Reliable, low maintence and a plethora of upgrades is what makes this marker great for its price.......... $119.99

BT Omega: This marker is a M16 variation of the original BT-4 Combat.  Comes with assault barrel, raised sight rail, expandable stock, and magazine.  $129.99

BT-4 Delta:  This variation of the BT features all metal MP-5 cosmetic accessories, such as a collapsing stock, clip and shroud.  This combined with the BT reliability makes it a favorite! $179.99

BT-4 Delta Elite: Similar styling to the Delta, the Elite features an electronic grip frame capable of firing up to 13 balls per second!  Also, features a motorized hopper to keep up with the high rates of fire this gun is capable of achieving.  Comes with an adjustable Apex barrel as well! $319.99

BT-4 ERC: This gun features the BT reliability along with a Rip Clip and Electronic Frame.  Capable of high rates of fire right out the box in a small compact design!  $269.99