- Use any style AR type collapsible buttstock and pistol grip combination
- This stock adapter has the proper drop designed in, so factory sights can be used. (Bead, Rifle, and Ghost Ring Sights)
- Made from glass filled polymer
- Includes mounting hardware
ERGO MOSSBERG 500 STOCK ADAPTER
Use the Ergo Grip Stock Adapter to install AR-15 type stocks and pistol grips on your Mossberg 500/590 shotguns.