The CMMG AR-15 Hammer Assembly (brand part no. 55CA7EC) is a direct-replacement hammer built for standard AR-15 fire control groups. CMMG builds the assembly as a drop-in part, giving builders and gunsmiths a straightforward way to replace a worn or damaged hammer without sourcing individual small parts. Among AR15 parts, this hammer assembly favors builders performing routine fire control group maintenance or repair.

Key Specifications

• Built for standard AR-15 fire control groups.
• Designed as a direct-replacement hammer assembly.
• Suited to drop-in installation for builders and gunsmiths.

Frequently Asked Questions

What is this part used for? Replacing a worn or damaged hammer in a standard AR-15 fire control group.

Does it fit standard AR-15 lowers? Yes, it is built as a direct-replacement part for standard AR-15 fire control groups.

Buy the CMMG AR-15 Hammer Assembly

A straightforward, direct-replacement hammer is exactly what this CMMG assembly delivers for routine AR-15 maintenance. Order it from our Lubbock, Texas gun shop for fast shipping.