#html-body [data-pb-style=X7WL3UT]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}Keep your 1911's running in top form with new recoil springs. The 22lb. Compact spring is a direct OEM replacement for all of our Pro & Compact size models in 45 ACP or .40 S&W. Keep your pistol a top performer, change your recoil spring around every 800 rounds.