I'm looking at trading for a 10 FCP-SR but I am seeing prices all over the place on this rifle. The one that I'm looking at has a digital camo stock, 20" fluted heavy threaded barrel and the accu-trigger and a detachable 10rd mag. When I look the same features up online it shows the same gun but with a 24" barrel priced between $800-$1000. Otherwise the FCP-SR's that I see online are priced $600 or less. I've seen some YouTube videos showing the version that I am looking at saying that a 20" or 24" barrel is available. I just want to be sure that I'm getting the $800-$1000 version as opposed to getting the $600 version. How do I know which is which ? Thanks

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