If your Mossberg 500 shotgun has a removable magazine tube end cap that is not attached to the barrel, you need to purchase one of the GG&G Sling Attachments manufactured for the Mossberg 590 versus one for the Mossberg 500. The Mossberg factory for an unknown reason installed 590 parts on some 500s.
- Installs easily with common hand tools
- Accommodates slings with MASH or HK style hooks
- Dehorned and smoothed for shooters safety