That Armory Dynamics Builders Lower Parts Kit is for the DIY Builder that is does not need a complete LPK for a custom build.
This kit is does not contain any fire control, grip, *roll pins or trigger guard parts.
- Buffer Retainer Detent
- Buffer Retainer Spring
- AR15 Bolt Catch
- Bolt Catch Plunger
- Bolt Catch Plunger Spring
- Magazine Catch Arm
- Magazine Catch Spring
- Magazine Release Button
- Pivot / Takedown Detent Pin (2 each)
- Pivot / Takedown Pin Spring (2 each)
Note: This kit does not contain a Roll Pin for the Bolt Catch as Armory Dynamics Lower Receivers do not use a roll pin. Use Part Number: AD-RPU1005