Possible Clues:

• Army securing large essentially superior case for weapon
• Put away gun, sort he loaded to protect student
• In Gunners' case, they -- lacking wingers -- lost badly, right?
• English composer ultimately made poor case for piece
• What secures arm in place for drawing?
• Lots surprisingly visiting that woman in sheriff's case?
• Some alcohol's terrible for one holding your arm
• Composer upset about pistol case
• Handgun sheath
• From which one draws solace at first under Labour leader (among other misfits)