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In reality, bullets should not have velocity specifications, but instead pressure specifications, except for the problem that most handloaders have no means to measure pressure. If the finished round achieves 1100 fps from your revolver, and its okay, then it won't fly apart when you shoot the same round from a carbine. The velocity rating is a wild guestimate based on how they expect a bullet to be used. In other words, if you have a 1200fps limit on the bullet, it will be good for any load that would produce 1200fps from a Glock, even though your contender will send it out a lot faster.
Plated bullets are usually have a soft lead core. When over pushed in a revolver (pressure, not velocity) the bullet over obturates, and then has to be swaged back down to size with the forcing cone. This has more to do with losing the plating than the velocity. It also accelerates wear on the forcing cone. Generally, the bullet itself with withstand higher pressures as well as higher velocities from carbines or your Contender.
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