This kit contains all the necessary parts to mount your Mil-Spec dimension stock assembly to your lower receiver.
Receiver Extension – Mil-Spec, 6 position (machined from 7075T6)
Receiver End Plate
Lock Nut (Castle) M4
Action Spring, Carbine Buffer Assembly, Carbine Std
This kit is compatible with the plastic stocks from; BCM, VLTOR, LMT, Magpul CTR-M, Stag Arms, Colt