Yeah I agree the extractor on the 700 isn't the strongest. They do have a 798 that has a Mauser type claw extractor. They areconsiderably more exspensive though.
Compare the prices of the xcr and the 798.Yet again our scientist is wrong.
http://www.remington.com/products/firearms/centerfire_rifles/model_798_specs.asp
http://www.remington.com/products/firearms/centerfire_rifles/model_700/model_700_XCR_specs.asp