The Train Safe® firearm block is orange in color and is inserted from the chamber end of the barrel. The rear part block the chamber, preventing a live round from being fired. The front part of the block extends out of the front of the barrel approximately 1/4 of an inch, providing a visual indicator that the firearm is disabled.
Glock G34 9MM
SPRINGFIELD ARMORY USA
Springfield Armory XDM Competition Series 9MM