Assertion: firearm's barrel | /r/HasProperty | replaced
Facets:
Source sentences:
text: Previous M1919 designs could change the barrel, but it required essentially field stripping the gun to pull the barrel out from the rear - the pistol grip back plate, bolt group and the trigger group all had to be removed before the barrel could be replaced, and this put the gun out of action for minutes, and risked losing and damaging parts in the field.
text: They also usually have either a barrel cooling system, slow-heating heavyweight barrel, or removable barrels which allow a hot barrel to be replaced.