300 Blackout boltgun mag issues

MarshalTex

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Full Member
Minuteman
Jul 14, 2010
47
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40
Plano, TX
Gun:
Remington 700 aac-sd
16" barrel with gemtec qd break
Nikon 300 blk 2x7x35
Gemtec Hvt-sd
Pacific machine and tool dbm
Accurate ordinance .223 mag 10rnd

Hope yall can help me with this...

I ordered a .223 mag for this rifle and am intending to run 208 amax subs out of it. My issue is no .223 mag is designed for this heavy of a bullet. The first round loads fine, but the bullet under it gets pushed forward in the mag, nosing down and becomes unoperable once the first shot is fired.

I called accurate asking if they might have a solution, but once again the mag wasnt designed for this and they didnt have one. None of the 30 cal springs will fit inside to give more pressure to the casings. I also wonder if the lip on the bullet end of the mag is part of the problem also. I will post pics tonight of the problem itself.

Note: there is nothing wrong with the mag it is perfect in everyway. Accurates products are bar none.

So my question is if any of you guys have figured a trick to this or have any ideas.

Thanks!



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Using AICS .223 Mags. right now & also used internal Mag. box previous also . It's not just your AICS Mags. with this Cal .
Never gona be 100% feed out Bolt . I have had 4 builds & you will never be 100% dependable . it's that small .223 Case necked-up that is trying to be pushed up the Ramp with a .30 bullet & a little shoulder also to boot on top that .
ALWAYS seems like it is running good at times . THEN It will always let you DOWN in a pinch .

Bolt gun with 30-221/300 BLK .. It's the Bastard child of Fun .
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ADD :

I remembered today and taking a little back on that .
the ( 155 VLD's ) did feed pretty damn good out the AICS & out the Mag. Box also . I only shot about a 100 of them but as I recall I had NO BITCHES or Issues .
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