M30 Tactical - Shooting Sports Forum


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

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Old 06-09-2020, 10:45   #1
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M30 Tactical

I keep looking and reading about the Mini 30 Tactical, now I believe I want one. I think I'll sell my stainless 5820 mini 14 (16.25'' No flash hider) and mags to buy one. The big question is Blue? Stainless? Or which ever I find first?
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Old 06-09-2020, 13:21   #2
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R80.....you won't be sorry. Hands down the best Mini, out of the box, that I have ever owned. I got one of each. No preference. Both shoot about identical. Both are 583 series. The blue is early and the stainless is late. The stainless has a hair more FP protrusion. I've got a firing pin .com pin I have to fit. Other than that just about identical.

One plus for the stainless would be the weather resistance. Keep up filled in on your purchase.

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Old 06-09-2020, 13:33   #3
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Bepe, those are some sharp looking Mini's you got.
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Old 06-09-2020, 13:45   #4
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Bepe, Looking at old posts and seeing pictures of yours is what gave me the tactical bug. Yours look great! I have considered chopping my 582 and making my own version. No one has any in stock anywhere that I can find, but I'm not in a hurry and this panic buy will be over soon
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Old 06-09-2020, 13:54   #5
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The Tacticals are going to be in demand for a long time. If you don't find one in a timely manner, or can't seem to get full value out of the one you are selling, consider cutting your 582 Mini-30 down and threading it.
I'll lend you the tools, and it's not hard to do a good job with the muzzle guides you'll use.

That .750" barrel is great, but the .625" barrels aren't bad either.
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Old 06-09-2020, 14:18   #6
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I might take you up on that kind offer. I had all the tools to re-crown a barrel but stupidly sold them off a few years ago. If I decide to do it, I'll go a bit of a different route than most. I'll chop it to 16.5 and put the sight back on with no threading for a flash hider. I'm going for a short OAL and if I put a flash hider on I'll be right back where I started.
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Old 06-09-2020, 14:45   #7
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I'm not sure I'd want a Mini without a flash hider.
A 16.5" barrel with flash hider is still pretty compact :


Or you could cut to 15", add a flash hider, then permanently affix it to be legal so it's not considered an SBR. Either weld the FH on or just weld over the roll pin.
As long as the OAL is long enough to comply, you're good.

I'd shoot it some before welding to make sure you like that particular FH.
Velocity loss with the x39 would be negligible.
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Old 06-09-2020, 14:55   #8
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Well, how's this for a nasty surprise? I just measured the barrel. My mini 30 is a 582 series ranch rifle with a tapered barrel. The barrel behind the sight is .612 and at the muzzle it is .532 There is a step down machined for the sight, I measured my 583 series mini 14 and it has the same measurements. Nice rifle Sandog.
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Old 06-09-2020, 14:58   #9
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Thanks guys......The next best Mini I ever owned was the 583 series MIni 14 I had Lee Hadaway at the Arms Room cut down. He cut short so the barrel including the Choate FH was a hair over 16". He then pinned and welded the F/H on before Gun Coating the barrel and receiver.

It was a slick rifle. Shot about 5 MOA before the chop. After the chop the groups could be covered by a quarter at 50 yards. Sold it to a buddy when I was downsizing. Saw him the other day and he told me he had it at the range. Said all the AR boys were flocking around it googling. Darn right!!!

Might be worth the effort for a chop and F/H install. The shorter barrels really improve harmonics .....thus accuracy.

Keep us filled in.

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Old 06-09-2020, 17:08   #10
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I have a little more to think about now, it looks like I'll need a lathe to do it right, I'll see what a gunsmith says about it.
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Old 06-09-2020, 17:51   #11
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You don't need a lathe to "do it right", but if you want to pay a gunsmith $200 or so go ahead.
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Old 06-09-2020, 17:57   #12
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I'll need a lathe to put the step in the barrel for the sight. The barrel behind the sight is .612 and at the muzzle it's .532, I don't want to try and step it down with a file. Read up a couple of posts.
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Old 06-09-2020, 18:16   #13
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Here's a look, it's not built like the older mini 30 or the tactical.
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Old 06-09-2020, 18:22   #14
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I've done 3 non Tactical Mini -30's and no step down is required.
The winged sight will go on perfectly on the .625" barreled Minis.
When you are cutting the barrel down the little step down at the muzzle isn't going to matter, that step will be cut away.
Here the reduced step is out at the muzzle in front of the sight, no longer part of the gun, so why worry about it ?


Mini-14's require a step down to .500 for a 1/2 x 28 TPI thread.

No step down needed for sight or threading on a (non Tactical) Mini-30:






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Old 06-09-2020, 18:27   #15
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Were any of those tapered barrels?
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Old 06-09-2020, 18:41   #16
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Originally Posted by r80rt View Post
Were any of those tapered barrels?
No. The diameter of all of the non Tacticals is .625" forward of the gas block and taper. The tapered barrel is fatter behind the gas block, hence the taper.

You said you measured .612" behind where the sight is now, trying measuring back where the sight will be in it's new location.
Those winged sights fit on tight, you'll probably have to beat it in place with a hammer and piece of oak.

Where the sight is now, and where the step is, doesn't matter, as that is going to get cut off when the barrel is shortened.
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Old 06-09-2020, 18:44   #17
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The only place mine measures .625 is on the end of the taper, after that it's .612 to the back of the sight.
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Old 06-09-2020, 18:53   #18
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It doesn't matter, the sight's still gonna be tight. (And then it will be pinned in place).
The sights are undersize, Ruger puts them on with a big hydraulic press. None of my barrels have been exactly .625 mid length either.

This is getting wearisome, it sounds like you don't want to spend an hour of your time to do it yourself. Some would rather just pay someone else to do it.
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Old 06-09-2020, 18:57   #19
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It is getting old, measure a tapered barrel when you get the chance.
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Old 06-09-2020, 19:05   #20
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I don't need to measure a tapered barrel Mini, you measured yours and said it was .612" between the taper and current front sight location.
That band on the winged sight is like a spring, it will fit the barrel fine back where you'd cut it.
Once again, you barrel doesn't have to measure a full .625" for the sight to be a tight fit.
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Old 06-09-2020, 19:56   #21
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My 189 Series Mini-30 tapers down beyond the last half inch of barrel... or it did before I cut a half-inch off. My barrel is now an even 18". The new winged sight still fits on the .625 diameter part. I bought a used Ruger winged sight for a song, but decided to stick with the slip-on pin-on type sight/FH I've always used. But I can confirm the newer winged sight fits with a little persuasion.

Cutting down a barrel isn't difficult. A hack saw works just fine for most people. I did it differently than most people do. I bought a 10" metal cut-off disc for my miter saw. I then lowered the speed until there were no sparks flying with an old Calrad variac (variable auto-transformer ) I had laying around. I made several practice cuts on steel pipe while adjusting speed and setting angle before cutting the barrel. It came out so smooth and even it doesn't need filing. I'll be renting a crowning tool to finish the job.

I wasn't going for super short length for this Mini. I took a half-inch off to both recrown and to move the flash hider retaining pin grove back to the precise position so there's no gap between the muzzle and the stop ring inside the flash hider. The overall length of the barrel w/FH is now 19.25", which is plenty compact for my purposes. It's been 20" w/FH since early 1990s. I also took 1/4" off my Choate recoil pad, so the overall length of the Mini-30 is an inch shorter than it's been since early 1990s. Fits my frame just right. My arms are on the long side, but my knuckles aren't dragging on the ground... thankfully.

Nice thing about the original Mini barrel length is that it's carbine/medium rifle length. You can make it shorter or longer with a muzzle device... whatever you like. Anything 20" and under is a short barrel in rifle terms.

One thing I would think twice about is where gun laws might be headed in the future. At this point I wouldn't cut a barrel shorter than 16". Your permanently affixed flash hider or muzzle brake might be banned in the future if the antis get their way. In the past, gun laws grandfathered in existing features and hi cap mags, but today's Democrats are a new kind of stupid and unreasonable.
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Old 06-10-2020, 04:28   #22
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Yeah, chopping a barrel isn't a big deal, I've done several old Mausers with a hack saw and a crown and chamfer kit from Brownells. If I decide to do it I won't go shorter than 16.5 and I don't need or want a muzzle device. Most likely I'll just buy a tactical and leave this one as it is, I like it.
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Old 06-10-2020, 22:09   #23
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I recently got a Mini-30 Tactical, Love it.
With my hand loads it shoots just under MOA

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Old 06-15-2020, 07:43   #24
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I've done a bit of digging on this and this is what I've found. It seems the early 580's with straight barrels are .625 OD all the way. And later tapered barrel 580's are .625 OD behind the sight and step down to .563 OD under the sight. My 581 mini 30 and 582 mini 14 are both stepped down to .563 under the sight. Probably a cost saver for Ruger to use the same sight on both.
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