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Sounds like the brass is on the long sized from the factory.
If you tried 10 rounds from the same box of factory ammo and 3 did the same thing, that too me sounds like hornady didn't get those cases trimmed down to proper length.
Just what I think, I'm no expert for sure.
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Here are picsAttached Files- F816FE0D-B968-409E-8980-93A33FB9F167.jpeg (59.7 KB, 72 views)
- 66C31210-E38E-4237-94B9-A7E63AE2E98C.jpeg (74.3 KB, 74 views)
- FCFC55E4-0D6C-46C1-BED9-FCA2CD073FF8.jpeg (74.7 KB, 150 views)
- AAC3C6D4-C4BA-4898-92CA-AA5158EC7C57.jpeg (92.0 KB, 75 views)
- 4D7BE9F3-AA45-47AA-BCC8-9D17E4BC32E7.jpeg (78.5 KB, 70 views)
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First thing I would do is tear your bolt and carrier down and strip clean them and clean the chamber up very good as well.
Looks like you have smashed brass shavings on the face of the bolt lugs, I would be willing too bet your chamber is just slap full of trash and carbon and that might be causing the issue.
I would clean everything really really well and then retry some rounds and see what if it does it again.
I have ran my rifles dirty before but I have never seen smashed brass shavings on the face of my bolt lugs before.
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You could measure the case with a caliper to determine if it is too long. Compare to SAAMI values.
If headspace issue, you could try to place an empty 357 mag case over the bullet and measure from base to base.
Subtract length of 357 mag case to find headspace length. Compare to other cases which do chamber.
In your picture, there is also a HUGE dent in the case shoulder that may be the problem.Last edited by bj139; 11-13-2018, 03:45 PM.
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Do factory Hornady rounds fall free from a clean chamber after being fully seated in the chamber by hand?
I don't let a barrel go into an upper unless factory and a set of my dummy cartridges drop free from a full seat in the chamber.NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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Looks more like a 5.56 extractor to me, not a 6.5 Grendel extractor. Could just be the photo, but the radius of the extractor groove and lip edge are looking a bit excessive to me.
I just compared with several Grendel bolts of mine, and I think your extractor lip corners are biting into the case rim excessively, causing binding as it tries to go into battery.
Are there wear marks on the outside of your extractor by any chance?
There are a lot of brass shavings all over your bolt as well.
Where did you get the bolt from?NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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Originally posted by LRRPF52 View Post
Looks more like a 5.56 extractor to me, not a 6.5 Grendel extractor. Could just be the photo, but the radius of the extractor groove and lip edge are looking a bit excessive to me.
I just compared with several Grendel bolts of mine, and I think your extractor lip corners are biting into the case rim excessively, causing binding as it tries to go into battery.
Are there wear marks on the outside of your extractor by any chance?
There are a lot of brass shavings all over your bolt as well.
Where did you get the bolt from?
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I just posted in another thread which seems to be the same problem.
Didn't Faxon have a problem with grit left in the chamber from the meloniting process?
This could make chambering difficult. There are already a few threads about this on this forum which can be found with a search.Last edited by bj139; 11-20-2018, 06:18 PM.
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