Can someone tell me just what the heck is going on here?!!

[jonh172]

That is generally stamped by an Armourer to show rust in the barrel.

Rifle still usable but is to let the Sergeant know that the soldier will not be able to get a nice clean, shiney barrel.

Thanks Alan!
I wonder if this is the case because the bore on this thing is brilliant!!

---------- Post added at 12:32 AM ---------- Previous post was at 12:28 AM ----------

I can only see two serials: the original BSA 1941/42 era serial (faintly engraved) & the 53C Savage replacement marks, (deeply stamped). I can't quite make out the letter prefix to the original serial; maybe an 'L', 'H', or 'N'?? The four digit number is rather clearer & looks like 6053 to me.

Why the number was altered I've no idea, but I've come across it periodically.

Thanks Roger!

I too can only see 2 serials and the faint one in the right light appears to be preceded by an N.

The top of the barrel has SURREY stamped on it, were they known for changing barrels at all? This one is like new.