Guns PSA: Understanding 1911 malfunctions Recoil Staff February 10, 2014 0 COMMENT Hilton Yam has updated a superb thread about 1911 malfunctions over on the Modern Service Weapons forum. He discusses vertical stovepipes, horizontal stovepipes, feedway stoppages, high angle malfunctions, double feeds and failures to extract in conjunction with a magazine failure. It is well worth the read. View the entire thread here. Modern Service Weapons is on line here and on Facebook here.