i have read where the 16 # recoil spring on a 1911 govt. should be 6 1\2 inches long when new. wilson combat says new recoil springs may shrink a bit when new until they get settled in after a few rounds. the recoil spring on my kimber classic is 6 1\8 inches. it has less than 500 rounds through it. does this length sound about right? it works flawlessly.