SIERRA5XM Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKDead Air Armament Sierra 5 XM, Suppressor 5.56mm, 17-4PH Stainless Steel Construction, Cerakote Finish, Black, Includes – Xeno Adaptor, Xeno 1/2X28 Flash Hider, TL Tool Pack $699.00 Original price was: $699.00.$391.44Current price is: $391.44. Add to cart