The acid test would be actual range work.

I think Peter Laidlericon would agree that even if the fore-stock had not been properly fitted by a military armourer when switched, that adjusting the pressure which the forearm puts on the barrel is far easier than collimating the scope and bracket to the rifle bore. I believe the instructions for this appear in the Canadianicon EME instructions.

Typo correction from above: For "(Sadly fold it later.) " read "(Sadly sold it later.) "