Canadian Arsenals refurbishment of Long Branches - telltale signs?

[purple]

I have recently aquired 3 Long Branch rifles which I believe to have been rebuilt/overhauled at Cdn Arsenals. Two of them have a unique marking on the receiver side above the ejector screw which would appear to indicate this. Details are as follows;
Rifle #1 is a 1945 LB with a replacement barrel dated '46. Left side of receiver is marked " R LB(superimposed) 11/46. Finish is blue. Rifle is re-numbered on the butt socket with a 30L s/n in larger font than the original.
Rifle #2 is a 1943 LB, 30L series, with original barrel. Finish is blue. Left side of receiver is marked " R LB(superimposed) 12/46.
Rifle #3 is a 1945 LB, 89L series, with original barrel w/o the additional rebuild marking. Finish is blue.

These rifles came with a jumble of LB, Savage, and Brit parts and were all sound and servicable. They are Indian surplus by reason of the forestock screw. They were in very scuzzy shape with a heavy coating of dried grease. Once cleaned up, the metal finish and bores were pristine and matching bolts were fully blued with little evidence of use/wear since rebuild. I have since restored them with original Long Branch and/or Cdn Arsenal marked parts.

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[Lee Enfield]

I have recently aquired 3 Long Branch rifles which I believe to have been rebuilt/overhauled at Cdn Arsenals. Two of them have a unique marking on the receiver side above the ejector screw which would appear to indicate this. Details are as follows;
Rifle #1 is a 1945 LB with a replacement barrel dated '46. Left side of receiver is marked " R LB(superimposed) 11/46. Finish is blue. Rifle is re-numbered on the butt socket with a 30L s/n in larger font than the original.
Rifle #2 is a 1943 LB, 30L series, with original barrel. Finish is blue. Left side of receiver is marked " R LB(superimposed) 12/46.
Rifle #3 is a 1945 LB, 89L series, with original barrel w/o the additional rebuild marking. Finish is blue.

These rifles came with a jumble of LB, Savage, and Brit parts and were all sound and servicable. They are Indian surplus by reason of the forestock screw. They were in very scuzzy shape with a heavy coating of dried grease. Once cleaned up, the metal finish and bores were pristine and matching bolts were fully blued with little evidence of use/wear since rebuild. I have since restored them with original Long Branch and/or Cdn Arsenal marked parts.

Yes, the "R LB + mm/yy" marking appears to have been used immediately after the war.

Can anyone report one dated after 12/46?

I suspect the reason it fell out of use may stem from the adoption of the "CA" marking refered to in Warren's previous post (Aug 29, 1947), just because the CA markings seem to show up for the first time in the '49 manufactured rifles.

Stencollector has done some research on what appear to be depot level Sten rebuilds