Board Thread:Off Topic/@comment-27425734-20170826213348/@comment-27144409-20171207175428

Yes, but since the weapon doesn't have to contain the recoil like a traditional rifle, it allows for the use of of much larger projectiles while remaing a viable man portable weapon.

Mind you, recoiless rifles seem to have been largely replaced by rocket/missile launchers and RPGs. Similar story with anti-tank rifles, though some rifles that would have once been used against tanks still serve in an anti-materiel role.