The SCR is not technically an AR (since it is not strictly based on.... 3) Buy a different AR upper assembly (you will need to keep the SCR bolt carrier in a new assembly).
3 Answers · Sports · 02/01/2015
.scr is the file extension for screen savers. And Symantec...actually could be a worm or spyware. It must have something else in front of the .scr. Do you not have antivirus and antispyware on your laptop? ...
3 Answers · Computers & Internet · 11/09/2007
.SCR is a screensaver extension. It is weird you got that as an..., or something else. There is a virus called hinhem.scr.
3 Answers · Computers & Internet · 21/06/2008
The SCR is probably used as a switch that controls the output of the sensor... the external circuit to produce a current between anode and cathode in the scr. The scr turns off when the anode current drops below some fairly...
3 Answers · Science & Mathematics · 21/02/2009