CAA CMGPT500 Integrated Stock Kit – 6-Position Telescopic Stock, Pistol Grip for Mossberg 500 / 590

Upgrade a Mossberg 500 series shotgun from plain bead site pump to modern, modular tactical in one install. The CMGPT500 kit replaces the factory buttstock and forend cap with a rigid 6061-T6 aluminum, six-position buffer tube and CAA’s CBS collapsible stock, then adds a slip-resistant UPG47 pistol grip.