seekins ph3 magazine

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Mar 11, 2025
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What magazine are you running in your seekins ph3? The carbon mag that came with my rifle appears to feed reliably but makes contact with the underside of the bolt causing a noise (carbon vs. steel) when operating. I reported the "issue" to seekins and they sent me an Amend2 mod2 AICS magazine. The Amend2 fails to feed requiring a tap/rack between each round....I reported this to seekins and haven't heard back. My rifle is chambered in 6CM.

Anyone have suggestions for reliable feeding out of their ph3?
 
What magazine are you running in your seekins ph3? The carbon mag that came with my rifle appears to feed reliably but makes contact with the underside of the bolt causing a noise (carbon vs. steel) when operating. I reported the "issue" to seekins and they sent me an Amend2 mod2 AICS magazine. The Amend2 fails to feed requiring a tap/rack between each round....I reported this to seekins and haven't heard back. My rifle is chambered in 6CM.

Anyone have suggestions for reliable feeding out of their ph3?
The carbon mag works ok for me as far as feeding but kinda sticky trying to get in not a huge fan of that.
 
Anybody have issues with LA mags? Mine is pretty sticky and I have trouble getting 3 rounds to consistently load. I have 300wm and it’s my first belted cartridge and it seems very difficult to get the belts over one another. Also noted the follower routinely tips down at front letting cartridges tip and gets stuck in downward position. Maybe the CF mags make this worse? Any advice or anyone with same type issue?


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Anybody have issues with LA mags? Mine is pretty sticky and I have trouble getting 3 rounds to consistently load. I have 300wm and it’s my first belted cartridge and it seems very difficult to get the belts over one another. Also noted the follower routinely tips down at front letting cartridges tip and gets stuck in downward position. Maybe the CF mags make this worse? Any advice or anyone with same type issue?


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I'm having the same issues with my 7prc. First 2 feeds fine and the last gets dragged forward and dips down and then lodges against the front of the magazine.
 
I'm having the same issues with my 7prc. First 2 feeds fine and the last gets dragged forward and dips down and then lodges against the front of the magazine.

Testing the Apex Predator 3 and 4 round mags. First range session fed fine. Will update as more shooting occurs. To be fair, they show the same tendency to nose down when being loaded as factory Seekins mag. I think this has to do with the mag spring being biased toward the rear of the mag without much spring pressure against the front of the follower. This seems to be the case with both types of mags.


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Testing the Apex Predator 3 and 4 round mags. First range session fed fine. Will update as more shooting occurs. To be fair, they show the same tendency to nose down when being loaded as factory Seekins mag. I think this has to do with the mag spring being biased toward the rear of the mag without much spring pressure against the front of the follower. This seems to be the case with both types of mags.


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How are the Apex ones holding up? Seekins sent me another carbon magazine along with the amend 2. I haven't switched the bottom to allow the use of the Amend 2 so i just sanded my CF one. Now its worse. it still dips on the 3rd round. Looks like i'll be loading only 2 rounds per mag on my hunts.
 
Shot again with the 4 round 300 win mag a few days ago. Had one hang up on me out of about 20
Or so rounds fired. Same problem with nose down jamming into the front of the magazine. Rest fed smoothly. Have the 3 rounder as well but didn’t shoot from it this time. My gut feeling is this will continue to be an issue because the spring is biased so heavily toward the rear if the magazine. Not sure how they could address that but reliable magazines are a must. Hopefully someone will come up with a good workaround for the long actions like the ability to use AICS mags in the short action. Between this and the split pic rail for scope mounting (I understand it’s for weight savings, but still) they are my only real complaints about the rifle. Time will tell but I’m about 100 rounds in on this one and the magazines are definitely my biggest complaint without a good solution that I see for the long action.


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Sounds like the Apex Predator is running pretty flawlessly for everyone, atleast based on the Seekins Facebook Group..

Seekins botched the mag situation on the PH3 roll out, ramping up rifle production beyond their carbon magazine production capacity. They switched to a third party to try and debottleneck their production process, but haven't found a reliable solution seemingly. Apex Predator seems to be it, and I wouldn't be surprised if we see Seekins contract with them..
 
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