Serial # prefix SR
- Thread starter Loveless
- Start date
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It is just an Identifier, My sport began with an SP and I thought that it stood for sport but I found out that other peoples sports didnt start that way. I dont believe it stands for anything but then I could be wrong. 
BillyJack2012
Member
- Joined
- Dec 29, 2011
- Messages
- 895
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Agreed. Smith typically changes the alpha portion of the serial number for every X,000 of the model made. I don't know the actual number. Mine is from the SN batch. If I had a SR, I'd tell everyone it stood for Sporting Rifle.
uncledoggle
Member
My M&P 15 S/N starts with MP. Always figured that stood for "Money Pit". 
MORSNO
US Veteran
Mine starts with SP......Super Perfect? SP must be on the older first run rifles?
wallymag
Member
My M&P15 starts with SZ.
jimbo728
Member
lol... I thought on mine the SN stood for Serial Number xxxxxx.
Mine is an SN ***** . only 5 numbers. i thought it meant serial number also.
Jim
JaPes
Member
It stands for "Serious Rifle".
