Because the stock choke printed such solid five-shot averages—and does not cost anything extra when you buy a Citori—it was an easy choice for the best budget choke of the test. However, if you shoot ...

The SX4 comes with three Invector-Plus choke tubes—improved cylinder (0.0035"), modified (0.012") and full (0.030")—with only the full tube coming close to specification.

With it, I would switch things up and fire off the Winchester XR shells through the three tubes. As a creature of habit, I again started with the Carlson offering, this time from the XD (Xtreme ...