WonX’Xt peen out or lose shape because itX’Xs machined from heat-treated, alloy steel for long-wearing performance. Made to maximum factory spec to provide a tight, wobble-free fit that holds the extractor in the correct position for maximum reliability and function. Mfg: Ed Brown SPECS: Steel, blued or stainless steel (SS), natural finish. Fits 1911 Auto only.