The only thing I can think of is the "hot glue bedding". Replace that with some good devcon 10110 or similar bedding compound and you'll be good to go. Freefloat the barrel after bedding and you'll get the utmost accuracy from the rifle. Some guys replace the classics extractor with a better one made by Williams. Other than that, the calassic CRF model 70 is pretty damn bullet proof.. Good luck with yours.