1.This AR-15, Mil-Spec stock kit includes a carbine length stock, end plate, stock nut, aluminum carbine buffer tube, buffer and buffer tube spring
2.The stock locks in 6 different positions and features a black matte finish with built-in sling swivel
3.Mil-Spec Size Buttstock
4.6 Position Polymer Stock - Matte black
5.3 oz Carbine Buffer
6.T6 6063 Mil-Spec Buffer Tube (6 Position)
7.Carbine Buffer Spring
8.Standard Receiver End Plate
9.Castle Nut