Magazines Mini 14 Mag fits in mini 30 - Shooting Sports Forum


Ruger Mini-14 and Mini-30 Ruger Mini-14 and Mini-30 family of rifles

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Old 07-11-2020, 07:44   #1
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Mini 14 Mag fits in mini 30

I have just discovered that my Mini 14 magazine, 184 series (1985), will fit into and lock into my Mini 30 mag well, 189 series (1989).
I had never tied this before, just figured Ruger wouldn't let it happen.
I bought the Mini 30 new and the Mini 14 used.
Many thousands of rounds down the barrel of the Mini 30.
A few hundred down the mini 14.
I have had them both for 25 years or more and have never tried this before.
I didn't try to chamber a round.
Is this common????
I couldn't believe it.............
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Old 07-11-2020, 10:50   #2
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aughtsix, if you are alarmed with this, consider the .223/.300 Blackout dilemma (both fit and use the same dimensional mags). Ruger had to stamp the .300 BO mags as such, even though they're the same mags.
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Old 07-11-2020, 12:34   #3
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Originally Posted by Bepe View Post
Sounds right. The 14 mag is thinner in the rear than the 30 mag. Won't work vice versa as the 30 mag will be too wide for the Mini 14 mag channel.

Attention to detail must be adhered to if you're bring both guns and mags to the range. Chambering a 5.56 in the Mini 30 might not end well.

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First off kids...don't try this at home.

Just speaking hypothetically, I suspect that if one managed to chamber a 5.56 round in a Mini-30 and managed to get it to fire.... the projectile would probably just ricochet back and forth off the barrel walls until it exited?

I suspect that though it would not "blow up the rifle" it would not do the bore any good?

I suspect that one would walk away from it with perhaps just some power blowback in their face?

Now again.... I don't want to ever find out so I am NOT encouraging a fool hardy experiment.

However, all you ballisticians, metallurgists, engineers, and gunsmiths out there do please weigh in with a informed opinion as all I am doing is some common sense speculation.
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Old 07-11-2020, 15:37   #4
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Originally Posted by aughtsix View Post
Mini 14 Mag fits in mini 30
Yes, this has always been the case. The 5-round factory Mini-14 mag will fit and function in the Mini-30. However it's not reliable. I read about this in an article from 1987 when the Mini-30 first came out.

The original paper manual I got with my Mini-30 I bought 30 years ago also mentions it, but says you may experience malfunctions like misfeeds and jamming.

It can work, but not consistently. Thus, Ruger made a magazine specifically for the M30.
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Old 07-12-2020, 04:26   #5
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Originally Posted by Beck View Post
Yes, this has always been the case. The 5-round factory Mini-14 mag will fit and function in the Mini-30. However it's not reliable. I read about this in an article from 1987 when the Mini-30 first came out.

The original paper manual I got with my Mini-30 I bought 30 years ago also mentions it, but says you may experience malfunctions like misfeeds and jamming.

It can work, but not consistently. Thus, Ruger made a magazine specifically for the M30.
TY!!

I'll have to try my 20 and 30 round Mini 14 mags in the Mini Thirty mag well. they were bought several years after I bought the Mini 14.
I never brought both Mini types to the range that I can remember.

Due to several surgeries over the last 10 years, I haven't exercised my toys as much as I would have liked.
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Old 07-12-2020, 04:38   #6
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Originally Posted by jumpluff View Post
First off kids...don't try this at home.

Just speaking hypothetically, I suspect that if one managed to chamber a 5.56 round in a Mini-30 and managed to get it to fire.... the projectile would probably just ricochet back and forth off the barrel walls until it exited?

I suspect that though it would not "blow up the rifle" it would not do the bore any good?

I suspect that one would walk away from it with perhaps just some power blowback in their face?

Now again.... I don't want to ever find out so I am NOT encouraging a fool hardy experiment.

However, all you ballisticians, metallurgists, engineers, and gunsmiths out there do please weigh in with a informed opinion as all I am doing is some common sense speculation.
TY!

I was just wondering if perhaps a couple of guys were shooting the two different Minis and someone grabbed the wrong mag in the heat of competition and an "Aw Blankedty blank" happened....
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Old 07-12-2020, 04:39   #7
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Originally Posted by RJF View Post
aughtsix, if you are alarmed with this, consider the .223/.300 Blackout dilemma (both fit and use the same dimensional mags). Ruger had to stamp the .300 BO mags as such, even though they're the same mags.
TY!

That thought did come to mind when I first read of the BO cartridge.
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Old 07-12-2020, 08:57   #8
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Originally Posted by aughtsix View Post
TY!

I was just wondering if perhaps a couple of guys were shooting the two different Minis and someone grabbed the wrong mag in the heat of competition and an "Aw Blankedty blank" happened....
It could certainly happen Aughtsix, but all of us who enjoy the shooting sports must never forget...even in the heat of competition, or in the heat of "battle" that we hold the power of life and death in our hands.

The outcome is dependent on our competency and care. Carelessness and complacency breed contempt. That is when bad things happen.

IMHO, if one is exercising appropriate care the visual difference between the .223/5.56 and the 7.62x39 should be sufficient to avoid using the wrong mag and cartridge.

Now with the .300 Blackout...as RJF points out... is unfortunately MUCH easier to misidentify.

Just my 2 cents.
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Old 07-12-2020, 09:05   #9
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https://www.thefirearmblog.com/blog/...-5-56-chamber/
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Old 07-12-2020, 10:21   #10
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I have a ruger short mini14 mag that will only hold a few 7.62x39 rds before the geometric differences of the cases jams it up.
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Old 07-12-2020, 18:42   #11
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Originally Posted by aughtsix View Post
TY!!

I'll have to try my 20 and 30 round Mini 14 mags in the Mini Thirty mag well. they were bought several years after I bought the Mini 14.
I never brought both Mini types to the range that I can remember.

Due to several surgeries over the last 10 years, I haven't exercised my toys as much as I would have liked.
Just to clarify, it works but it doesn't. That is, I wouldn't depend on a Mini-14 mag in a Mini-30. I can only get 6 rounds of 7.62x39 into a 30-Rnd Mini-14 magazine before the cartridges are at such an extreme angle the top one nose dives into the inside front of the mag. It won't feed into the chamber.

I've never tried x39 in a factory 5-Rnd Mini-14 mag because I never had those in my possession at the same time. I'm wild guessing you might manage 2 or 3 rounds that feed reliably, or maybe not.

Moral of the story... get the right mags for the Mini in question. As you can see, the later Mini-30 manuals that were printed after mine basically say, don't even try it!


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Mini 14 Mag fits in mini 30-screenshot-2020-7-12-mini-thirty-instruction-manual-minithirty-old-pdf.jpg  
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Old 07-12-2020, 22:47   #12
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Ok. I'm pretty sure that 6.8 spc mags and Mini 30 mags are interchangeable. Has anyone tried this? It seems like I read it somewhere. I have a few 10 round promags that work fine but would like a few 20 round factory mags but Ruger never made them in 6.8. It seems that I read that you could change out the follower and all would be well .
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Old 07-12-2020, 23:15   #13
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Well something kinda related, on another firearm related forum a member posted a story with pics about how he accidentally fire 9mm Para in a 40 S&W pistol and the only thing that went wrong was the case mouth of the 9mm brass swelled to 40 cal.
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Old 07-13-2020, 04:33   #14
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wow this is almost as good as leaving your trigger assy unlocked in your wood stock.i just cant belive it.
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Old 07-13-2020, 06:48   #15
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When the Mini's bolt is in the unlocked position, the rear lower edge of the bolt prevents the hammer from contacting the firing pin. The Mini has a floating firing pin so there may be a remote possibility of a slam fire.

I no longer own a Mini 30, but you could use a spent .223/ 5.56 case to verify this.
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Old 07-13-2020, 20:32   #16
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Originally Posted by RJF View Post
aughtsix, if you are alarmed with this, consider the .223/.300 Blackout dilemma (both fit and use the same dimensional mags). Ruger had to stamp the .300 BO mags as such, even though they're the same mags.
I actually picked up a 300 Blackout Mini-14 20 round last year. during Freedom Week. I got it mixed in a batch of NIW 20 round Mini 5.56 mags. The markings are the same on the card in the package as the 5.56 mags.
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Old 07-13-2020, 20:34   #17
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Originally Posted by Mule man View Post
Ok. I'm pretty sure that 6.8 spc mags and Mini 30 mags are interchangeable. Has anyone tried this? It seems like I read it somewhere. I have a few 10 round promags that work fine but would like a few 20 round factory mags but Ruger never made them in 6.8. It seems that I read that you could change out the follower and all would be well .
6.8 SPC uses a .30 Remington case, smaller than the 7.62x39.
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Old 07-14-2020, 23:23   #18
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Originally Posted by Bepe View Post
Bravo Sierra.

Bepe
It was posted on either on The Firing Line or The High Road, I was sceptical until I seen the 9mm head stamp with the expanded to 40 cal case mouth.
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Old 07-15-2020, 16:49   #19
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I wonder if it could happen if you point the pistol upwards while firing it.
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Old 07-15-2020, 16:59   #20
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There are some who make reasonable claims that the Mini-14 stock reinforcement is an entirely different part from the Mini-30 stock reinforcement.

If, for some reason, the incorrect stock reinforcement was installed into a given stock, problems might occur.

Quoted from another Site: "This looks exactly like the reinforcement that came in my stock, double stacked in the rear arms & single in the front. It is selling as a Mini Thirty replacement. Mystery solved."

FWIW, some sites, like Midway, sell Mini-14 stock reinforcements, but do NOT offer the same number as being suitable for Mini-30 rifles, despite noting the screws and washers for same as being suitable for both reinforcements..

Last edited by RIBob; 07-17-2020 at 13:02.
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Old 07-16-2020, 06:21   #21
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Yep!!
I guess that's what I was kinda alluding to in my original post.
Newbies think a gun is a gun and a bullet is a bullet.
So they all go together like PB and Jelly!
I'm over simplifying, of course.......
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Old 07-16-2020, 08:33   #22
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Originally Posted by Bepe View Post
Who knows. Not attempting to get on the Darwin roster so I'm not trying. Bottom line is that a bunch of people now own guns that know nothing about them. Makes for some dangerous senarios.

Bepe

Here's a perfect example of that...
https://youtu.be/iZCcRk6AJEw


Don't get me wrong. I have posted here on this forum about modifying a Magpul follower to function in a Mini14 magazine, but this is just silly. I'm sure that it is just held in place by friction.
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Old 07-16-2020, 08:49   #23
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Notice how at about 7:20 on the video the angle of the magazine changes when he tries to remove the handguard. Clear sign that it is wedged in there.
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Old 07-18-2020, 06:57   #24
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Originally Posted by Bepe View Post
Bravo Sierra.

Bepe
Hi guys, I know that I don't post alot here but a bit of background. I'm an NRA Pistol instructor and a RO. Approximately 15 years ago while I was employed at a local range we had a guest who had recently purchased both a Glock 19 9mm and a Glock 23 40 S&W. As you are probably aware they are dimensionally the same. He managed somehow to fire a 9mm cartridge in the .40. The bullet hit the target but way off POA. A second round was somehow chambered and fired. Unfortunately the pistol did not eject the first round brass and the second round forced it down the barrel and subsequently obstructed the barrel. Upon firing the second round the shooter described the gun as "blowing up." The magazine was expelled out the bottom and the slide locked up with the barrel. After inspecting the gun the barrel was bulging. We did find a few tiny pieces of shredded brass down range. The shooter did not experience any Injuries.
Sounds weird but I actually saw the results first-hand.
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Old 07-18-2020, 09:12   #25
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Just for info switched 6.8 upper to 223 upper used 6.8 mag with no problems.
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