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If you are looking to complete an AR-15 lower and you wanted to build it with a CMC trigger, then this is the perfect kit for you. This builders kit offer you an AR-15 lower parts kit along with a CMC trigger. The kit is designed for small pin AR-15 lower receivers and it is perfect for your next build or as a spare.

Specifications and Features:

CMC AR-15 Lower Assembly Kit 81503
AR-15 Lower Parts Kit
CMC Small Pin AR Trigger
3.5 LB Trigger
Flat Trigger Shoe


3.5lb Single Stage Flat Trigger
Bolt Catch
Bolt Catch Plunger
Bolt Catch Spring
Bolt Catch Roll Pin
Mag Release
Mag Release Button
Mag Release Spring
Buffer Retainer Spring
Buffer Retainer
Safety Detent Spring
Safety Detent
Trigger Guard
Trigger Guard Roll Pin
Takedown Detent Springs
Takedown Detents
Takedown Pins

CMC AR-10/15 3.5 Flat w LPK