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Bolt not fully closed and would not open
#1
Lilja barrel, monster bolt, 129gr ablr, 2.60” OAL (as I remember), Hornady brass.
My grandson killed a deer and my son, while attempted to remover the magazine, wound up letting the bolt close but not slamming home. He then couldn’t pull the bolt open. I tried to pull it open and then pull while tapping the butt on a table top. Didn't budge. So I tapped the forward assist button with a rubber tool and got bolt completely closed. (So there is a good use of a forward assist!) it then opened with no issue. Loads great when letting it close with “gusto”/ slam home.
ALL my other ARs close with very little resistance. This one seems to hang up/ resist closing a little. I was able to replicate the issue by letting it close gently.
I measure distance to lands, it is full length resized, no issue at all when slamming home. Cleaned and lubed and still a little resistance when closing. Anybody else seen this? I have a couple of bolts so I’ll try a different one when I get home. (At daughter’s house for new grandchild birth at the moment…) the bullet may be moving a little but I don’t believe enough to cause this. I think it is something with the bolt but I sure haven’t examined closely yet. (To busy taking grandkids hunting and cleaning deer!!
Btw, the grandkids love the gun! 13 year old killed a doe at 200 yards. Now the 8 yr old wants to use it so he can reach out further than the 300BO!
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Bolt not fully closed and would not open - by bmash - 01-07-2024, 01:48 AM

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