PS, the US Army’s Preventive Maintenance Monthly has this reminder:
Too many M320A1 grenade launcher sight supports are being cracked or broken. The only fix is to order the entire leaf sight assembly kit, NSN 1005-01-564-2663, for $55. And sometimes it can take a long time to get the kit.
But much of this damage is preventable if Soldiers and armorers just exercise a little care. The most critical thing to remember is don’t stack anything on top of an M320A1!
In the arms room, armorers often store M320A1s on shelves and then pile equipment on top, including other grenade launchers. Laying grenade launchers on shelves is fine. Just don’t put anything on top of them.
Same thing goes for trips to the field. Don’t pile equipment on M320A1s and don’t let them bounce around in the back of a truck. A good investment is a sturdy container for transport that protects launchers from equipment and feet. You can probably find containers around the unit that will work.
