This model is for .410GA Mossberg receivers only.
The Ergo 500/590 adapter can be used to attach a brace and pistol grip to your Mossberg 500/590 or Shockwave. This kit includes an Ergo Flat Top Grip and mounting hardware. A castle nut is not included – don’t forget to pick one up here.
ONLY FITS .410GA RECEIVERS. DOES NOT FIT 12GA RECIEVERS.
Made by Ergo Grips in the USA.
FEATURES
- Accepts Mil-Spec or Commercial receiver extensions
- Includes Ergo Flat Top Grip & mounting hardware
KIT INCLUDES
- ERGO Mossberg 590 adapter (.410GA)
- ERGO Flat Top SUREGRIP