Expanding Full Metal Jacket
Its the weight of the ammunition
Glock model
Full Metal jacket.
Springfield. Like "30-06 SPRG."
Simply put, ammunition that is loaded to a higher pressure to achieve more velocity.
http://www.handgunsmag.com/ammunition/demystplusp_0306-7/index.html
HST are semi-jacketed hollow point ammunition, and the initials are for Hydra Shock Two, indicating that they are the next generation of the Hydra Shock bullet.
It's a warning to the user that the only compatible ammunition for that rifle is the .22 Winchester Magnum Rimfire (22 WMRF), and other types of .22 ammunition are NOT compatible.
Browning did not make ammunition. They branded ammunition made for them.
Ammunition loaded to higher than normal pressure.
It denotes a type of 30 caliber ammunition adopted by the Military in 1906.
"Pass the ammunition" is a phrase historically used during times of conflict or warfare to request that someone provide additional ammunition for soldiers to continue fighting. It signifies the critical need for ammunition to sustain a battle effort.