bodrogmund 0 Posted June 14, 2013 Can a Spectra 3 be used in a Spectra IV mount (BB4-PG-E)?? Thank You Share this post Link to post Share on other sites
survtech 0 Posted June 14, 2013 Yes. Spectra III and Spectra IV can be interchanged in the same back boxes. Not so with Spectra II and Spectra III/IV. Share this post Link to post Share on other sites
