Seekins Precision Enhanced Bolt Catch Black . These AR15 Bolt Catches & Releases from the experts at Seekins Precision are specially designed to make bolt manipulation easier with their unique oversized bolt catch that has an aggressive diamond texture for positive operation. The bottom portion of the catch is also larger and diamond textured greatly assisting the operation of locking the bolt back. The Seekins Precision Enhanced Bolt Catch is manufactured using metal injected molded (MIM) process allowing the selection of a proprietary material that is considerably stronger than our original billet model or a factory MIL SPEC Bolt catch so you know it will hold up well. Specifications for Seekins Precision Enhanced Bolt Catch: Manufacturer: Seekins Precision Gun Model: AR-15 Fabric/Material: Metal Injection Molded Steel Color: Black Finish: Melonite Condition: New Last Chance: Yes Features of Seekins Enhanced Bolt Catch: Large diamond textured button for positive operation ArmorBlak coated durability and smooth engagement Package Contents: Seekins Precision Enhanced Bolt Catch What firearm models does the manufacturer say Seekins Precision Enhanced Bolt Catch is compatible with? The manufacturer suggests that Seekins Precision Enhanced Bolt Catch is compatible with AR-15Seekins Precision 0011510057 - F: Enhanced Bolt Catch Black