The Army uses SPORTS because it is so far behind the rest of the world in proper clearance procedures for malfunctions.
FTF MALFUNCTION=PUSH/PULL, RACK AND ROLL, ASSESS
We teach, tap-rack-bang, just like with a pistol. Run the charging handle with your left hand. When the SFAUC program started in the 90's Army SF units went to that. There were still knuckleheads there who wanted to teach that SPORTS BS but they were squelched.
