Is velocity in any gun related to barrel length? It is not stating varmint on box... Already bought a box of 50 before.I saw the warning about nothing over eighteen sixty and this stuff is twenty two hundred.
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NAA Products / Ammo
November-23-24 20:11
Federal premium speer 22 wmr tnt 30 grain with muzzle vel of 2200fps stated on box. Out of what length barrel? Is it ok to use in my mini revolver 1 5/8 inch barrel in my NAA 22wmr? Manual says nothing over 1860 fps. Again barrel length? 
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