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When do Grendel AR bolts break?

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When do Grendel AR bolts break?
Texas Offline
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#19
10-20-2019, 01:49 AM
LRRPF52 Wrote:Mil-Std steel for M4 bolts is Carpenter 158, not 8620. They then compromise the bolts with non-destructive testing with the HPT procedure, causing microscopic cracks in them. The Canadians at Colt Canada, engineers at Knights Armament, and Bill Alexander all feel that is a terrible testing approach to use on bolts.

You are correct, the bolts were carpenter 158 and the carriers were 8620 - so much for my memory.
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Messages In This Thread
When do Grendel AR bolts break? - by gofastman - 10-16-2019, 01:09 AM
When do Grendel AR bolts break? - by A5BLASTER - 10-16-2019, 01:55 AM
When do Grendel AR bolts break? - by Klem - 10-16-2019, 09:50 AM
When do Grendel AR bolts break? - by Labrat198 - 10-16-2019, 07:46 PM
When do Grendel AR bolts break? - by lazyengineer - 10-17-2019, 04:27 PM
When do Grendel AR bolts break? - by CJW - 10-17-2019, 05:14 PM
When do Grendel AR bolts break? - by A5BLASTER - 10-18-2019, 01:51 PM
When do Grendel AR bolts break? - by lazyengineer - 10-18-2019, 02:26 PM
When do Grendel AR bolts break? - by centerfire - 10-18-2019, 02:54 PM
When do Grendel AR bolts break? - by A5BLASTER - 10-18-2019, 03:08 PM
When do Grendel AR bolts break? - by LRRPF52 - 10-18-2019, 03:43 PM
When do Grendel AR bolts break? - by Texas - 10-19-2019, 07:22 AM
When do Grendel AR bolts break? - by muvef - 10-19-2019, 10:32 AM
When do Grendel AR bolts break? - by muvef - 10-19-2019, 10:36 AM
When do Grendel AR bolts break? - by A5BLASTER - 10-19-2019, 01:40 PM
When do Grendel AR bolts break? - by muvef - 10-19-2019, 03:07 PM
When do Grendel AR bolts break? - by LRRPF52 - 10-19-2019, 08:05 PM
When do Grendel AR bolts break? - by Fess - 10-19-2019, 10:06 PM
When do Grendel AR bolts break? - by Texas - 10-20-2019, 01:49 AM
When do Grendel AR bolts break? - by FLshooter - 10-21-2019, 10:54 PM

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