This CMMG Trigger Guard Assembly (CMMG part no. 55CA57E) is a replacement trigger guard built for AR-15 pattern lowers.

Key Specifications

• Built for AR-15 pattern lowers.
• Sold as the complete assembly, including the pivoting trigger guard and its retaining pin.
• 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 lower parts kit (LPK) 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 trigger guard fit? This trigger guard assembly is built for AR-15 pattern lowers.

Is the retaining pin included? Yes, this is sold as the complete trigger guard assembly.

Buy the CMMG AR-15 Trigger Guard Assembly

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