Ben.
This is a very interesting little piece of kit. Full of mysteries at the moment.
I have been looking at the photo you posted of the mount installed in your Carrier. I agree those are very hefty springs, clearly designed to push everything back into a 'resting position' whenever necessary. When i look at the top of the two spring assemblies, it appears as if the centre rods of the springs are fastened to the upper mount arm by some sort of heavy machine screw or bolt. It also appears as if the outer face of the upper, or forward metal supports are machined away at the top of each central rod assembly. This would suggest they have been designed to allow a certain amount of movement against the springs before reaching a full stop.
My thoughts on this for what they are worth.
The square hole on the right hand side of the mount would allow for only two practical positions for placement of whatever adapter was fitted to the Boys Rifle. Essentially a high and low position. Would this serve any practical purpose in the Carrier.
The Boys Rifle would be long enough to act as a lever against those two springs. It does look like the lower horizontal hinge pin allows for most of the potential elevation of the Boys Rifle, but if you elevated the rifle to the limit of that pin, would the spring assemblies kick in to allow just a little bit more height adjustment and serve as a warning you are running out of elevation?
David
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