[JRTJH]

Keystone has essentially moved away from the luxury travel trailer market in recent years. Back in 2011/2012 they produced the Vantage to compete with Forest River's Aviator trailer.

Currently, I don't believe any Keystone travel trailer has a fiberglass rear cap, however several of the "luxury fifth wheels" do have that feature. The Montana travel trailer was produced for a few years but was discontinued in the mid 2000's. Currently, the only "luxury travel trailers" in the keystone line are toy haulers, so a rear cap/rear wall is not an option since both brands have rear doors/loading ramps.

Because of construction costs, it's just not feasible to install fiberglass caps on the lower priced brands. Since the rear walls are not curved on most Keystone products, there's little chance of the distortion to manifest itself on the rear walls, so there hasn't been much problem with that, however there are a few comments recently about rear wall separation at the upper roof molding trim.

Here are pictures of the Avaitor and the Vantage rear caps: