The DPMS AR-15 Lower Receiver Parts Kit with a Two Stage Trigger group is designed to be installed on stripped AR15 lower receiver. This lower parts kits contains all the necessary parts in a plastic bag, and will not work with 308 Large Frame Lowers.

Specifications and Features:
DPMS AR15 Lower Receiver Parts Kit
All Necessary Part to Complete a Stripped Lower
Modified Green hammer spring and mil-spec trigger spring
First Stage pull is 1.75 lbs second stage pull is 4.5-5.5 lbs
Will not work with 308 or Large Frame Lowers

Includes:
Pistol Grip
DPMS manufactured two stage trigger group
Trigger and Hammer
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
Hammer Spring
Trigger Spring
Pistol Grip Screw
Pistol Grip Lock Washer
Selector Spring
Detent Selector
Hammer Pin
Trigger Pin
Take Down Pin
Buffer Retainer Pin
Buffer Retainer Spring
Disconnector Spring