Broken or cracked USGI Carbine Bolt

[painter777]

anyone has personally experienced a broken or cracked USGI carbine bolt. If so what was the manufacturer of the bolt and where exactly was the breakage.

Wayne,
Your just asking for personal experience..... Correct ?

2013,
I have had 1 cracked bolt. The previous shooting session I had ran it hard.
About a week later, the next time out before shooting I noticed what I thought was a scratch on top in/around the Extractor. In the sun light and by feeling it from left to right I could see / feel the right bolt lug was cracked.
During inspection at home I could find no issues with either locking shoulder, receiver rails, Op slide lugs or slide tabs. The carbine was well lubed and I had been shooting reloads the last session with all brass being trimmed and loaded with 15.0 of 296. The bolt was a N14 that I believe was original to it. I replaced with another N14 and have continued to shoot this same carbine with same load.

In 2017 I noticed a rifle club member getting ready to shoot his carbine. We talked a bit and I noticed his bolt was cracked the same way. Told him the possible causes and he packed it up. His bolt was also a N14. Didn't know him and have never heard if he found other issues.

Pictures below are from my bolt, his looked just like mine:







I have read and seen pictures of just about every makers' bolts cracked/broken, both round and flat. Breaking the N14 made me leery of all bolts. Breaking one has taught me to note conditions on every carbine I shoot or am considering purchasing.

I hope this helps your survey,

Information

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[W5USMC]

Your just asking for personal experience..... Correct ?

Yep Charlie, just looking for the actual members that have had broken bolts, don't need the (I knew a guy whose Uncle said stuff). BTW, I had already noted your experience with broken bolts from looking through the older threads.