1 x ECS Buttstock, Commercial Spec
1 x 6 Position Buffer Tube Commercial Spec
1 x Black Oxide Castle Nut
1 x Enhanced Chrome Silicone Carbine Recoil Spring
Shown in FDE Flat Dark Earth - Choose your Color
Made in USA
Our Chrome Silicon Recoil Springs are packaged with an anti-corrosion compound which can appear reddish/brown or orange. You do not need to remove it but if you wish to, apply heavy oil and wipe clean.