The remingtons are good rifles and the actions have a really fast locktime.. Their barrels are usually quite good as are most remington barrels. The triggers can be cleaned and while not adjustable can be replaced with triggers that are. The 540X and 580series rifles are all siblings and triggers should interchange. I'd try doing the normal 22 rimfire tricks first, you may not want more... bedding, barrel floating/tensioning, adjust trigger pull, find the ammo YOUR rifle prefers, recut the crown,.. etc. Do these before spefing the bucks.. and yes.. imho the CZ 452/453's are better rifles all around..