I have had two 742’s come in with the bolts locked closed. Both customers had used a hammer to open them and they locked right back. I did not use a hammer but took the guns apart. The first one I found a small pin lying inside under the fire control. I couldn’t see anything else so I clean and put back together and it worked find on the bench and I fired four rounds. All was good so I give it back and haven’t heard a word. I just got another one in, same thing only I didn’t find the pin out. I haven’t test fired but it works great on the bench. What’s the deal? You know I really like the segments in GunTech where Bob and Ken check out the new guns.
Check to see that the bolt is not cracked or broken. Check to see that the bolt/carrier assembly has the cam pin as well as the op handle. Make sure the bolt carrier is tight in the action bars. Make sure the barrel isn’t burred from the bolt lock failing to work and allowing the bolt to rotate some as it is trying to close. Remember these are old and parts are obsolete and they wear themselves out as they work, or try to work. Ken
Reply:
Thanks. That’s what I did. I fired the second one and it works fine. The second pin is not working freely clean. I think maybe cleaning more would work better the old WD 40 cleaning job don’t work so good.
