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

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Old 09-08-2012, 21:38   #1
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Impact of bedding

I get how the thicker barrel of the 580 series impacts accuracy, and I understand how a crisp trigger can impact accuracy. Less clear his how bedding the Mini 14's stock impacts accuracy. If the sights are on the action and barrel, how does the connection between the stock and the action/barrel impact accuracy?
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Old 09-09-2012, 05:04   #2
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You want the stock to receiver fit to be tight so there is no movement of the receiver inside the stock during operation. If the stock to receiver fit isn't tight there can and will be lateral movement of the receiver which will randomly change your point of impact during firing which in turn will open up your groups. The group size will depend on the amount of lateral movement. Having a tight receiver to stock fit is accuracy 101. It's all about consistent and repeatable pressure points to hold the receiver in the same place shot after shot after shot etc.....

If you have ever watched barrel whip in slow motion it's easy to see the importance of a tight receiver to stock fit. Without firm pressure points to hold the receiver to the stock barrel whip will be erratic.

Rifle bedding - Wikipedia, the free encyclopedia
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Old 09-09-2012, 06:33   #3
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Ah-hah. That makes sense. Good review on Wikipedia too. So is there a consensus among Perfect Unioners about which is better, traditional glass bedding or bolting approaches like Accuracy Systems promotes?
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Old 09-09-2012, 06:54   #4
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I have both, and I can say that ASI's pillar bedding system works great for holding the action in place while you give it a proper bedding job. Kidding aside, I had no complaints with the ASI except I needed to unmount certain optics to remove the receiver from the stock. I still use it in conjunction with a traditional bedding job, just because I felt this one particular stock needed the reinforcement. The pillar bedding works great if there's good wood where you need it to be, but I don't think it really offers any practical advantages to a traditional bedding job, except it's probably faster for the gunsmith to assembly line.
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Old 09-09-2012, 06:57   #5
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That and it's harder to DIY. With a lot of studying and the right materials, is it practical to bed your own over a weekend?
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Old 09-09-2012, 07:06   #6
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Totally doable. In fact, GunDoc has an excellent video that's linked here somewhere I'm sure. Getting everything super clean so the release agent applies evenly was the hardest part for me.
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Old 09-09-2012, 07:15   #7
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And the pillar bedding isn't that difficult either. Granted, I had a pre-drilled receiver to use as a template, but with some careful measuring and layout, plus a decent drill press it was a piece of cake to duplicate.
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Old 09-09-2012, 07:17   #8
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And in the list of accurizing priorities, assuming I started with a 580 series, where does bedding the stock fall relative to trigger work and the other techniques?
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Old 09-09-2012, 07:20   #9
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First. Then trigger and gas system. Just have GunDoc do it all at once. Totally worth it. Edit: But bedding the stock and fitting the gas bushing/"blueprinting" the gas block yourself, and just sending in your trigger is the most economical way I believe.
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Old 09-09-2012, 07:24   #10
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So pack it back into the Ruger box and ship it to GunDoc. $220 later it's capable of all the accuracy I'll ever need? That does sound appealing.
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Old 09-09-2012, 07:26   #11
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"So pack it back into the Ruger box and ship it to GunDoc. $220 later it's capable of all the accuracy I'll ever need? "

That pretty much sums it up, esp if you're happy with the stock scope mounts and don't need 20 feet of rail.
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Old 09-09-2012, 18:57   #12
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My 10/22 will have Tech Sights. If I ever am happy enough with my iron sights ability (not likely), I may put a scout rail and a red dot on it as a practice platform.
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Old 09-09-2012, 23:10   #13
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The concept of free floating barrels don't work???
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Old 09-10-2012, 03:15   #14
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It does work but a person still needs to have the receiver locked firmly in place by bedding or other means. If I remember correctly I think the mini's barrel is pretty much free floated already.
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