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by surprise_i'm_armed
Thu Apr 05, 2018 5:46 pm
Forum: General Gun, Shooting & Equipment Discussion
Topic: Ruger LCR .38 w/ FOS. What does "FOS" mean?
Replies: 3
Views: 2418

Ruger LCR .38 w/ FOS. What does "FOS" mean?

Today I was just window shopping at Academy Lewisville. I noticed that they had
a Ruger LCR (Lightweight Compact Revolver) which had a tag that read
"Ruger LCR .38 w/FOS".

The counterman has a lot of experience with firearms, but he could not define FOS.

I searched the Ruger site, and then Bing for a definition, but came up with nothing.

Can anyone define this term?

Thank you.

SIA

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