hi there, a differen type of HT low mount and history??

[muffett.2008]

All H barrels were to the tighter specs, can't comment on the other manufacturers, though their chambers were already a bit loose........BSA were the pick of them, but had to conform to the requirements dictated to them, whereas India and Australia had adjusted their manufacturing process to better suit the machinery they had.

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[Surpmil]

All H barrels were to the tighter specs, can't comment on the other manufacturers, though their chambers were already a bit loose........BSA were the pick of them, but had to conform to the requirements dictated to them, whereas India and Australia had adjusted their manufacturing process to better suit the machinery they had.

And wasn't the Australian SMLE built on mostly US machinery with a reduced amount of hand work compared to the UK production?

[Son]

The contract to supply the machinery for the Lithgow SAF was awarded to Pratt and Whitney over a couple of bids from England. The basis for that was the quoted production cost per rifle being well under that of the British bids.