The SUB2000 CQB is introduced in a refreshed configuration featuring KelTec's integrally suppressed barrel, engineered as a complete system for improved balance, sound mitigation, and reliability. This updated model incorporates the SUB2000 GEN3 rotating forend and now utilizes the standard GLK19 grip configuration, while shipping with a Magpul GLK17 magazine paired with a KelTec magazine sleeve for optimal fit and function.