Yeah shuriken catapults do, but Ranger Long Rifles are designed to not have them, just like most guns make a loud bang and a flash but silenced ones don't, they propel their ammo by the use  of gravitic accelerators, they do make a VERY slight noise but their is no flash because their is no mini-explosion used to propel the round forward, its all done by forces invisible to the human spectrum. ;D That having been said don't worry I'm not gonna stack the deck against you guys....at least not enough to where you can't win this early on.