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MinnFinn 10-23-2011 06:11 PM

Sako A7 .300WM Magazine
I have Sako A7 .300 WM. Ever since I bought it, I've had problems with the cartridges prematurely popping out of the mag will laying untouched, while locking the mag into the rifle and when cycling spent/new cartridge through the action. I previously contacted Sako/Beretta support about this problem and they sent me a new factory magazine. The same symptoms persist even with the new mag. At this time, I can't trust this Sako rifle/magazine to hunt with (elk). I've had the same thing happen in while hunting. So, it's a serious dependability problem. (link to a youtube video I made to demo the problem.)
I have another Sako A7 .270 Win and 2 Tikka rifles (.30-06 and .300 WM) that never has problem like this.
I have to think the .300 WM magazine is underdesigned (e.g. too thin/flexible mag walls for the pressure of the spring/.300 WM cartridge.) What can be done to resolve this problem, besides waiting for aftermarket all steel heavier gauge mag to replace?

Sheridan 10-24-2011 07:01 PM

I hate to say it, but I have the same issue with my 7MM RM.

No problem with the one that came with the gun, but the "extra" one that I purchased from Sako.

I always buy an "extra" magazine for all my rifles with detachable box magazines.

MinnFinn 11-11-2011 06:29 PM

Sheridan, contact Beretta Support at their site describing this exact problem. I also provided them a link to a youtube video showing the problem happening. Though, I think they'll respond regardless. Give them the model, caliber, rifle serial# and detail description. They responded with sending out a new magazine that they said "fixed the problem" for both the one I got with the rifle and one I bought online from them afterward 2 years ago. I've cycled a number of cartridges through my A7 with these new magazines. The problem seems to have been fixed.
My understanding is that for some calibers of this model, the top metal rails of the mag were not turned inward quite enough in the originals. So, you should be able to get replacements, also, at no cost to you. Hope you get satisfaction, too.

Sheridan 11-12-2011 05:25 PM


Thank you're very kind !

I'll touch base with them.

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