![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(1-)-1000x1000.jpg)
![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(2)-1000x1000.jpg)
![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(3)-1000x1000.jpg)
![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(4)-1000x1000.jpg)
![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(1-)-800x800.jpg)
![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(2)-800x800.jpg)
![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(3)-800x800.jpg)
![AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec AR-15 Standard Lower Build Kit W/ Lightweight Butt Stock | Mil-Spec](https://outdoorsportsusa.com/image/cache/catalog/demo/ST888-BK+ST007M+LPK-17/AR-15-Standard-Lower-Build-Kit-W-Lightweight-Butt-Stock-Mil-Spec(4)-800x800.jpg)
- Stock: In Stock
- Model: ST888-BK+ST007M+LPK-17
AR-15 Mil-Spec Buffer Tube Kit
Fits .223/5.56 Mil-spec Sized stocks
Mil-Spec 6-Postion Receiver Tube
Precision Machined from 6061/T6 Aircraft Grade Aluminum
3 oz. Buffer Assembly
Carbine Action Spring
Steel End Plate
Steel Castle Nut
Includes All Necessary Parts to Mount to your Lower Receiver
AR-15 Standard Lower Receiver Parts Kit
Complete Kit Includes:
Standard AR-15 Pistol Grip (Black)
Standard Trigger Guard
Semi Trigger
Semi Hammer
Semi Disconnector
Semi 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 - Compatible with DPMS
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