This CMMG Zeroed Bolt Catch (CMMG part no. 55CA5FC) is a low-profile replacement bolt catch built for AR-15 pattern lowers, sold under CMMG’s Zeroed line.

Key Specifications

• Built for AR-15 pattern lowers.
• Sold under CMMG’s Zeroed low-profile parts line.
• Functions as the bolt catch that locks the bolt open on an empty magazine.
• Sold individually as a single replacement part, not bundled as part of a multi-piece kit.
• Classified as a firearm part/accessory, not a regulated firearm itself — no FFL transfer required to purchase.

Frequently Asked Questions

What platform does this bolt catch fit? This bolt catch is built for AR-15 pattern lowers.

What is CMMG’s Zeroed line? Zeroed is CMMG’s line of lower-profile AR-15 parts, styled with a cleaner, subdued footprint than standard mil-spec parts.

Buy the CMMG Zeroed AR-15 Bolt Catch

Order the CMMG Zeroed AR-15 Bolt Catch today for fast, insured shipping from a Lubbock, TX gun shop. Browse more CMMG parts in our AR Bolt Catch/Release category.