This guide covers Fdez Werx Sig Sauer P320 fitment: Comp'd Compact and Full-Size slides, barrels, recoil spring assemblies, optic notes, OEM small parts, and send-in porting. Use it with the P320 charts on our FAQ compatibility page before you order so barrel length and RSA match the slide. All Fdez …

This guide expands on our P365 slide and barrel compatibility post. It covers Fdez Werx P365 slides, barrels, recoil spring assemblies, grip modules / magwells / base plates, and common small parts. Use it before you order so barrel length, port style, and RSA all match the slide. All Fdez Werx P365 …