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AR15.COM
11/27/2024 11:15:39 PM EDT
I am a hue Daniel Defense fan and just purchased my 3rd DD rifle, a DDM4 300 S during the free tax stamp promotion that SilencerShop was running in August. I have only had two range sessions with it. I am running 110 gr Hornady V-Max through it suppressed and after the 2nd range session, upon taking it apart to clean and lube, I  noticed rust on the tail of my bolt behind the gas rings. The rest of the bolt and bolt carrier are fine.

I called support earlier this week and talked to Noah who asked for pictures which I sent. I haven't heard anything back.

Just wondering if this is normal in 300 blackout or if I should replace the bolt.

Any help would be appreciated.  Thanks in advance and I hope everyone has a wonderful Thanksgiving.  

12/2/2024 5:25:44 PM EDT
[#1]
Have you heard back from Noah yet?  We were off the second half of last week but we're back at it now.
Joe Marler
Daniel Defense
Law Enforcement Sales Manager
12/22/2024 4:23:20 PM EDT
[#2]
Got a picture for us?
Elite Soviet Democrat
1/21/2025 9:44:49 AM EDT
[Last Edit: mark5pt56][Edited] [#3]
While it wasn't a DD, .300 using Magtec supers, was a brownish color at the bolt tail, cleaned off, I think it's firing residue from whatever powder formula they used, maybe Hornady produces similar? Is it possible you had that as it does appear as it could be rust.

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