View Single Post
Old November 10, 2012, 09:55 PM   #5
James K
Join Date: March 17, 1999
Posts: 23,000
The oblong hole allows the ejector to move back against the tension of the bolt stop spring, thus absorbing some of the impact of ejection and taking it off the screw. Also by providing a spring effect, it improves ejection.

Jim K
James K is online now  
Page generated in 0.04186 seconds with 7 queries