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Discussion Starter #1
Finally got the new Mini 14 out to see what it would do. At 50 yards with iron sights I can cover almost all of my shots with my fist. Not at all displeased with that.

My question is it's throwing brass at 3 o'clock. Lord help anyone that is to my right.

If I were to change out the gas port fitting which way would I go with the new one? Larger or smaller? I would like it to throw brass at about 2.
 

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There would be less work required if an adjustable gas block is purchased, less machining/filing required and is easily reversable on gas setting.

I would recommend the one that uses a set screw to keep the adjustment screw from moving.

I've heard at least one report of the knob with detents gas block failing. I am not saying this version is not reliable, but set screws seem to be less failure prone.

I know if I want to turn the gas down on my mini in 300 blackout, I am getting the set screw version if it is still available.
 

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There would be less work required if an adjustable gas block is purchased, less machining/filing required and is easily reversable on gas setting.

I would recommend the one that uses a set screw to keep the adjustment screw from moving.

I've heard at least one report of the knob with detents gas block failing. I am not saying this version is not reliable, but set screws seem to be less failure prone.

I know if I want to turn the gas down on my mini in 300 blackout, I am getting the set screw version if it is still available.
Actually . . . . no. You take off the gas block, remove the gas bushing and insert the new 0.045" one, replace the gas block and you're done. No adjusting, no fiddling, no screws to fail. Adjustable gas blocks, by their very nature, are more prone to failure than a solid gas bushing. More parts, more chances to fail. It's science and engineering not guessing.
 

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I just took an old fish net I mounted to some 1 inch PVC pipe, added some legs for a stand, stand it in a cardboard box and it works great catching any brass ejected shooting prone or off the bench regardless of any direction it ejects. Still have great field of view to the side (because it's netting). No hunting and chasing brass. :D
 

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Sundown, it sounds like a smaller gas bushing is in order...

I agree with COSteve, but for reasons other than reliability (which is a valid comment).

KISS is the fundamental concept here, and an adjustable gas block isn't part of that. Many (most?) buyers of an adjustable gas block are "tuning" for a load they develop, which may be helpful if you re-load.

Replacing the gas bushing is simple, given the right tools: a 9/64" Allen wrench (or preferably a 9/64" driver connected to an inch-pound torque driver and torqued to about 30 inch-pounds). These are for the gas block screws...

Depending on the length of your barrel, different sized gas bushing may be required. My 16.1" Mini Tactical would most likely be served best with a 0.070 bushing; an 18" Ranch Rifle probably around 0.045-0.055. Every Mini is different, but 0.050 seems to pretty much cover all Mini-14s with an 18" barrel. If 0.045 works, great, but that all depends on your particular Mini and the ammo you use.

There are a number of places that will sell a single size, or a three-size set, (such as 0.045, 0.050, and 0.055). Given the cost of shipping something not much bigger than a pencil eraser, getting a "three-set" makes the most sense; particularly if the single size you order doesn't work out...
 

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Discussion Starter #7
Thank you everyone. Very helpful,

I had sold my old 181 series that spit brass at about 2 o'clock at least 25feet. It wasn'r a tack driver by any standard just a reliable little truck gun,

Now, the new 584 series I just got is another matter. Very happy.

Again, thanks.
 

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Exalted One
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Sundown, my 181 - that I've had since 1980 - has always spit brass within 4'. It is as it left the factory in 1977. A function of the ejector spring in the bolt more than the gas block (different means of ejection). Big difference in the ejection mechanics between the old non-ranch models and new ones - that eject is based on the force of the bolt slamming to the rear.

For my two Minis (181 and 583), there are different techniques to address in terms of ejection distance.

Congrats! We'll help where we can!
 

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So, what is the highest prefix on the mini-14? Ruger's history list stops at 583 but you picked up a 584.
 

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Discussion Starter #10
So, what is the highest prefix on the mini-14? Ruger's history list stops at 583 but you picked up a 584.
I saw that on the Ruger history page. Maybe they just haven't updated the page yet. I did wait almost 3 months to get "Baby".

Wood and stainless isn't easy to come by apparently. My LGS had 3 or 4 composite/black Mini's sitting in the display board.
 

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The Mini 30 i just picked up is a 584 with a serial # less than 10000. I would assume it was manufactured less than a year ago, so the records are not yet updated
 

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Exalted One
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Ruger ran out of numbers beginning with 583. It happens, and is a good thing!

I suspect zero mods, just new numbering.
 

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I always take the last stall at the firing range with my 581 mini. It spits out the brass almost as fast as a bullet! Anyone next to me might get one in the eye
 

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After removing a skinny barrel and reinstalling a Ruger factory .625 barrel I think the distance a piece of brass goes is based on 2 different things. The inside diameter of the gas bushing and how tight the chamber has been reamed. I have a .045 bushing in my 580 and I had to ream the chamber to get the bolt to close on a gauge.

I got the chamber slightly large so the round goes in easily and extracts easily, I am now shooting brass at least 15 feet depending on how the case is loaded. (I shoot hand loads) The hotter the load the further it goes. When the case fires it expands and as the gun cycles the case shrinks. The more room in the chamber the less resistance the case has during extraction. I used a .223 reamer to recut the chamber. (No one really knows what a Ruger reamer looks like. We suspect it is a Wylde)

Anyway. For those who have not done it yet, get a smaller gas busing but keep in mind it only takes one or two thousands difference in chamber size to allow your brass to go into the next county. As you shoot and the gun starts to really loosen up, I could see the need for a smaller and again a smaller bushing.

kwg
 

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love the matte stainless

I saw that on the Ruger history page. Maybe they just haven't updated the page yet. I did wait almost 3 months to get "Baby".

Wood and stainless isn't easy to come by apparently. My LGS had 3 or 4 composite/black Mini's sitting in the display board.
I just picked up a 5802 wood/stainless mini 14 myself. 584 serial #. I dont see this model often, so I grabbed it up. I love the looks of the matte stainless. The wood is decent?...........better than the wood stock on my 581 series
 

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