THE BASIC PRINCIPLES OF ROCK ISLAND 410 SEMI AUTO SHOTGUN

There are actually a couple of different versions on the 555 available, however the baseline versions function extractors rather than ejectors. Personally, I prefer ejectors, but it's what it really is. If you'd like a 555 with ejectors, you’re planning to need to pick up a 555E for your ‘enhanced’ model.All in many of the Rock Island Armory