So, RAPS. One thing about it - it is really heavy. On a 20" stealth build it is somewhat helpful, as it counterbalances heavy barrel back a bit, but, i would not use it on anything you would expect to actually carry.
As of the position of the comb - see the picture below. it is how i have set it for now - that arrowhead scope has a bit tighter eyebox, so, for prone stock needs to be extended all the way back and it brings the comb to a proper place. for shooting standing up it goes all the way forward. when lever is locked back - as shown, it is sturdy, nothing plays or moves.
i can probably move scope one spot forward on the rail, later, as right now it sits all the way back, as can be seen. but most likely i will move this scope to a 16" build and will set this one on something else, i need to shoot it more at 200 and 300 to decide. i like the BDC reticle on this 1-10x arrowhead, but did not shoot it enough yet to decide. and, last time at 300 it felt a bit blurry, but i did not have my bergara with a 5-25x scope to compare the image quality and did not have much time.
What i like about RAPS - it is very easy to operate, and you can preset/limit the travel distance of how far it extends back as you pull the lever down. it is much better than other stocks where you would need to rotate something to slowly alter the configuration - here it is done instantaneously.
i do not expect to carry this rifle, ever, but, you can also see the sling mount is on the top of the stock - not ideal, i would prefer it to be at the base. there is a hidden rail at the base of the stock as well, can be used to mount a bag rider, if desired - but, it slides on the bag fine as is also.
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