If you are looking to finish out your AR-15 lower than this DPMS Lower Receiver Parts kit is exactly what you have been searching for. You get every part that you need to finish a lower receiver up for either a pistol or rifle build except for the trigger, hammer and Disconnector. See below for the complete list of parts.

Features and Specifications:
Manufacturer Number: LRPKLTG
DPMS AR-15 Lower Parts Kit without Trigger
AR-15 Lower Receiver Parts Kit
All required Springs, Pins and Detents
Matte Black Pistol Grip

Includes:
Pistol Grip
Selector
Bolt Catch Spring
Detent Spring
Bolt Catch Buffer
Take Down Detent
Bolt Catch
Magazine Catch Spring
Bolt Catch Roll Pin
Magazine Catch Button
Magazine Catch
Front Pivot Pin
Pistol Grip Screw
Pistol Grip Lock Washer
Selector Spring
Detent Selector
Take Down Pin
Buffer Retainer Pin
Buffer Retainer Spring

Does Not Include:
Any component of the Fire Control Group