S.C. on SMLE barrel

[5thBatt]

Came across this on another forum on a thread about the Ross & British ammo

"The problems with British ammunition were bad enough that a new chamber specification for the SMLE was brought out about the mid-point of the War.

Checking just behind the rear-sights of a number of SMLEs can be an eye-opener. Just remember SC and LC: Small Cone and Large Cone.... and then guess which one might be bigger."

I posted this which is pretty much what is written in all the publications i have, i can find no reference to LC.

"SC on the barrel behind the rear sight means the Small Cone in the chamber has been increased .002-inch
What is LC?"

Got a response (sort of, it was edited on to a existing post) not sure if they are just referring to the Ross chambers or to the SMLE as well.

"All rifles rechambered (to .462") in England were marked "L.C." which distinguished them not only from the original Mk.III rifles with the .460" chamber, but also from those rechambered in Canada to .462" between 9th July and 26th August 1915, marked "N". Those received direct from the factory with the larger chamber .464", were marked "E".

As .462" was the British standard at the time, the "N" probably refers to "Normal" and the "E" probably refers to "Enlarged".

It should be noted that SMLEs were reamed to .464" as well from 1916 on; after the War the standard reverted to .462"."

I see SC on all nearly all my SMLEs behind the rear sight but i have never seen LC & from what i have found SC stamped on a barrel indicates a larger cone.
Comments please.

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