This is a Seekins Precision Bolt Catch known as the Enhanced, model 0011510057.
The Seekins Precision Enhanced Bolt Catch is an easy to install upgrade that improves the functionality of any Mil-Spec lower receiver. Designed to make bolt manipulation easier" the unique" oversized bolt catch has an aggressive" diamond texture for positive operation. (Not compatible with AR-10 platform.)
Features:
Diamond Texture for Positive Operation
Greater Strength
Less Visible Wear
