Seems i modify about every thing i have lol. But iv'e never modified the Mission crank. A few years ago after my surgery i needed it. These cranks are dead silent to my ears. I found this extremely nice cocking the bow before day light in my blind turkey hunting. All you hear is the click when it cocks and you get that with the rope cocker too.
Last year during Turkey season it wasn't about need. I just remembered how handy it was setting in my seat quietly cranking the bow back. So i used it every time i went. This fall im not using it and its harder cocking the bow in the blinds and the days of me cocking it setting down with the rope cocker have past
. Yes i can cock it out side or at the truck. But having 43 years of bow hunting under my belt. Is telling me you might need another shot so you need to think about cocking in the blinds.
Shooting the bow off the porch its easy for me to cock slow. So i never use the crank for that i've never seen any advantage in accuracy using the mission crank vs the rope cocker. For me its about if its needed or just easier. Like i said i modify every thing just about. I can silently let my bows down with a rope cocker or the crank. I can leave the crank on full time or i can like now take it off.
This gives me the choice of ok im hunting the tripod stand or that DB blind that crank will be handy there so ill pop it on. Or i'm hunting the box blind or outside on a ridge hunting a lower flat. I really don't need it and it doesn't make it easier. So i leave it at home.
Ive used other cranks the old excal crank on the 405 and the parker crank on the strikeforce. They worked but were loud and you had to put it on then take it off. Im not in a hurry to go back to that
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Just some of my thoughts and experiences. Good Luck finding what puts a smile on your face. And makes life easier and a more enjoyable hunt.