Found the e-gunparts listing...it was under SMLE.
SMLE
MISCELLANEOUS
Item No. 502550
Trainer Parts-Blue Steel Parts Consisting Of A Band & Front Sight Protector Band
Retail Price: $1.25 Add to Basket:
This item is currently sold out.
We frequently purchase new & used parts from many sources.
Make note of the item number and try back in 30-60 days.
Sold out unfortunately. I remember seeing them in the old catalogue for years.
They also list a bottom plate for a cdn trainer.
Steel guard made for Canadianicon single-shot target rifle based on No. 4 SMLE action. Narrow width (approximately .6") requires filled or custom forestock. Blued case steel.Item No. 540060