Wilson Combat Shok-Buff Kit, Full-Size, .45 ACP 2G

Shok-Buff* Kit, Government, .45 ACP, 18 1/2#. Fits: A, J, K, N, O & P Pkg. Includes: 2 Shok-Buff* Buffers and Recoil Spring This is a balanced kit containing two SHOK-BUFFA(R) buffers and one heavy duty recoil spring. The SHOK-BUFFA(R) should be changed out every 1,000 rounds and the recoil spring every 2,000 rounds. When the SHOK-BUFFA(R) buffers are gone, it's time for a new kit. It's a great way to remember your recoil spring changes.NOTE: Wilson Combat recoil springs have a closed coil on on