The only time I used one was in the Army on our .300 Win Mag sniper systems. They were the built in adjustable ones. I liked that it gave you the ability to adjust it.
You might try seeing if you can find an exact spot where you can put your cheek and get a good sight picture then add a kisser button. This would cost you about $1.00 not sure if this is possible for you though, just trying to give you some other options.
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