Reducing number of No.4 Barrel grooves to speed production?

[Thunderbox]

4-groove SMLE barrel; apparently from a specific BSA sub-contractor, and AFAIK only found on a limited number of 1942 Dispersals.

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[browningautorifle]

4-groove SMLE barrel

First I've seen...

[Lee Enfield]

4-groove SMLE barrel; apparently from a specific BSA sub-contractor, and AFAIK only found on a limited number of 1942 Dispersals.




https://www.milsurps.com/images/impo...00929975-1.jpg

I have had 4 groove "dispersal" SMLE rifles,

I found a 4 groove Savage manufactured No4 barrel, but unfortunately it's been "sporterized". Really wish I could find a full length one.