This CMMG Disconnect (CMMG part no. 55CA789) is a replacement trigger group disconnector built for AR-15 pattern lowers.

Key Specifications

• Built for AR-15 pattern lowers.
• Functions as the disconnect(or), the trigger-group part that catches the hammer after each shot in semi-auto fire control groups.
• Sold individually as a single replacement part, not bundled as part of a multi-piece kit.
• A commonly stocked spare/replacement part for armorers, gunsmiths, and home builders performing fire control group installation or repair.
• Classified as a firearm part/accessory, not a regulated firearm itself — no FFL transfer required to purchase.

Frequently Asked Questions

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

What does a disconnector do? In a semi-automatic trigger group, the disconnector catches and holds the hammer after the shot until the trigger is released and reset, requiring a fresh trigger pull for each shot.

Buy the CMMG AR-15 Disconnect

Order the CMMG AR-15 Disconnect today for fast, insured shipping from a Lubbock, TX gun shop. Browse more CMMG parts in our Small AR15 Parts category.