Made by ISMI to be extra long and to securely lock your slide over standard length 1911 springs.  Manufactured with chrome silicon, heat treated, shot peened and stress relieved after winding to enhance performance and durability. Will work with Springer Precision X5 1911 guide rods as well as the Sig Sauer P320 X5/Legion factory guide rods. Works with our P320 guide rods for full size models. 

.30 oz