Forends will loosen over time, both at the barrel lug and at the plastic spacer. You can tighten it up with a shim between the spacer and forend as mentioned in the FAQs.
Butt pads can be purchased from H&R, but they're individually fitted, so you'll have to do that so it fits your stock. You might consider a Limbsaver grind to fit which can be fitted the same way and is a nicer pad, or the #10003 or #10601 prefits, they fit a lot of stocks farily well, just need new hole(s) drilled in the stock.
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Tim