Are shear wall capacities available or calculable for use with collated (nail gun) nails?

We do not provide information on power driven fasteners, but you can consult ICC-ES (http://www.icc-es.org/) for ESR 1539 (Power-Driven Staples and Nails), or the International Staple, Nail, and Tool Association (http://www.isanta.org/) for further information.