The Tippmann X7's magazine and magwell were designed around the M4, which uses a 5.56mm round, and an m16 style 'bananna clip'. Many of the members of the x7og.net voiced their desire to have a 'higher caliber look' for their milsim markers. Specifically a magazine that would be used for a larger caliber round, like on the H&K G3, FN SCAR, or even an HK 417.

Well, we at Scenario Arms were happy to ablige, and we now offer what we call our 'Heavy Mag'. This one-piece magazine/magwell is a great and unique addition to any X7 regardless of its current configuration. Modeled after the look of the 7.62mm magazine from the HK G3a3, our 'heavy mag' has a slight forward angle to it. After 3 different versions, we felt that this style looked coolest on our X7's.