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10-15-2013, 01:49 PM
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Getting that slide fire to run, the right way
I have been working on getting my M&P 15-22 to run with my slidefire for a long time. I recently had an idea that resulted in a massive increase in functionally and ease of use. I have not seen it before, and think it is so good that if share it here.
Typical things that everyone does:
Very light trigger - Timney Geissel, or other
Minimize upper weight
Use a recoil enhancing muzzle device
High velocity ammo
Practice a lot
All these things make sense, but there are some notable tradeoffs between light strikes and light triggers. They can be minimized by polishing the bolt and firing pin, and by lightening the pin return spring.
My idea :
While practicing I noticed that if I positioned my finger so the trigger impacted the first joint (where there is less flesh and more bone) it worked better. Obviously my finger is compliant and can absorb the impact of the forward moving trigger, sometimes enough to prevent the next shot.
This demonstrates the critical balance of push/pull needed to make 22 work with the slidefire.
As an experiment, I taped an alien wrench to my trigger finger and blew through three mags with no problems. The trigger smacked against the hard metal instead of my finger. However, I could not make accurate single shots, since I could not feel the trigger.
My solution :
I cut a thin piece of sheet metal about 1 inch x 1.5 inch and deburred the edges and corners. I rolled it carefully around a pencil, adding some curl.
It fit over my trigger finger snugly, and was the perfect length to expose half of the tip, while not extending all the way to my second joint.
When shooting single shots, I use the tip of my finger on the trigger. When I want to rock-n-roll, I use the tip if my finger on the slidefire finger rest and let the trigger hit the hard metal.
This works so well, even with a traditional compensator, there is likely an opportunity to increase the hammer spring to reduce light strikes.
I will post pictures when I can.
Simply put, I stuck a tube of sheet metal on my finger.
Sent from my HP Slate 7 using Tapatalk
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10-15-2013, 02:20 PM
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You definitely put a lot of thought and time into figuring out how to get it working. Awesome job.
Just FYI, SlideFire makes a kit specific for the the 15-22 that includes a trigger and muzzle device
SFS M&P 15/22 Kit | Slide FireŽ - Superior Performance Gun Stocks
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10-15-2013, 04:22 PM
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Interesting Concept gr8jab
Ill have ta think about That when I hit the range Tomorrow
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10-15-2013, 05:14 PM
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We now have an answer to the burning question: how is shooting a slide-fire like playing steel guitar?
Both use a tube over your finger, and lead to rock-and-roll.
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10-15-2013, 09:53 PM
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I'll have to try it out too. It sounds like it would help.
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10-16-2013, 09:45 AM
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Quote:
Originally Posted by UncaGrunny
We now have an answer to the burning question: how is shooting a slide-fire like playing steel guitar?
Both use a tube over your finger, and lead to rock-and-roll.
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i was just going to say something like that as i play slide on an old National. I have a set of metal finger picks and if you clipped the pick portion off the thumb or first finger pick you would have an adjustable 'firing piece' really easy. they are about a buck a piece at the music store.
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10-16-2013, 05:55 PM
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Quote:
Originally Posted by SimpleWeaponSolutions
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Holy ****... I didn't pay that much for my rifle. And to just blow through a lot of ammo. I don't know what to think about that. I would rather have an AR in .223 or 5.56 than to put that much into my .22 just to blow through ammo. I'll bet the cost of ammo would be about the same. And I would be a lot more satisfied shooting the big boy at targets way further out. But to each his own.
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10-16-2013, 06:06 PM
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Quote:
Originally Posted by Dino1
Holy ****... I didn't pay that much for my rifle. And to just blow through a lot of ammo. I don't know what to think about that. I would rather have an AR in .223 or 5.56 than to put that much into my .22 just to blow through ammo. I'll bet the cost of ammo would be about the same. And I would be a lot more satisfied shooting the big boy at targets way further out. But to each his own.
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I will say it Again... and Again... and Again..
ya dont get a Slidefire becouse its Cost Effective
ya get it for the unadulterated Full Retardation and FUN it gives you and your Friends
I can go through 500rds, even at todays $$$$ it's less than $40....
Oh... and ya want TOTALLY stupid Fun... put the Slidefire on yer AR15
YA BABY!!!!!!
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10-16-2013, 09:16 PM
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Quote:
Originally Posted by stavman11
I will say it Again... and Again... and Again..
ya dont get a Slidefire becouse its Cost Effective
ya get it for the unadulterated Full Retardation and FUN it gives you and your Friends
I can go through 500rds, even at todays $$$$ it's less than $40....
Oh... and ya want TOTALLY stupid Fun... put the Slidefire on yer AR15
YA BABY!!!!!!
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what he said
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10-16-2013, 10:59 PM
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It was rather easy to get a slide fire to run on my friends 15-22. I took the stock
FCG out and worked my magic on the springs and woolah, works perfectly. Didn't have to replace a single part.
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10-16-2013, 11:20 PM
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Brett, not everybody has your Midas touch.
I was looking at pictures of finger picks. they look very promising!! I think they might work well, if you could get the 'curve' out of them and wear them backward on your finger. Maybe you could heat and bend the plastic ones, or just take some pliers to the metal ones.
Next time I'm near the music store, I'll have to pick some up for testing!!
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10-16-2013, 11:56 PM
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Now if I could only get the ladies to realize I got a special touch....
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10-17-2013, 09:58 AM
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the metal ones are made moldable to your finger and are quite thin, you should have no issues at all. you could also make a first knuckle 'ring' that would work also. i don't have a SF but i love making suggestions!!!
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10-19-2013, 03:21 AM
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I have pretty good luck with my slidefire/mp15-22 combo but I am always looking to improve. I get 100% mag dumps with my AR15 combo but not quite this good with my 15-22. I picked up some metal thumb picks and will give this a shot next time at the range.
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10-19-2013, 08:57 PM
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If you guys are running the stock trigger on the 15-22 your never going to get a full mag dump. You have to invest in another $200 for a trigger like the CMC 3.5# drop in trigger.
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10-20-2013, 09:26 AM
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Newb to this subject but in a lot of videos I have watched on this topic, it "appears" that a lot of folks don't work their trigger finger like normal back and forth? IE; they keep it stationary and use their other hand to move the front of the rifle forward to kick off the bump fire process...just my observations, thoughts? I put a hundred rds thru mine a few weeks ago and I wasn't able to perfect my firing action, I don't have a high end trigger but mine has been worked and has JP yellow springs, however I was firing in the conventional manner not as I described above. Next time I am going to try that method.
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M&P15-22 tweaked
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10-20-2013, 09:45 AM
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Quote:
Originally Posted by mp15.22
If you guys are running the stock trigger on the 15-22 your never going to get a full mag dump. You have to invest in another $200 for a trigger like the CMC 3.5# drop in trigger.
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You can absolutely get full magazine dumps with the stock
trigger and springs. You just need to adjust the springs
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10-20-2013, 10:51 PM
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Todd, they important part is to brace you finger against curved rest in the slide fire stock. How you get the trigger to hit the finger is up to you, but I think most of us push forward on the upper. A little forward pressure is needed to make the thing run, so that process seems nature.
With a large caliber (like 223) almost any technique works. With a 22, you have to be deliberate about it.
Quote:
Originally Posted by cajunfirehawk
Newb to this subject but in a lot of videos I have watched on this topic, it "appears" that a lot of folks don't work their trigger finger like normal back and forth? IE; they keep it stationary and use their other hand to move the front of the rifle forward to kick off the bump fire process...just my observations, thoughts? I put a hundred rds thru mine a few weeks ago and I wasn't able to perfect my firing action, I don't have a high end trigger but mine has been worked and has JP yellow springs, however I was firing in the conventional manner not as I described above. Next time I am going to try that method.
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10-26-2013, 06:26 PM
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Quote:
Originally Posted by gr8jab
Brett, not everybody has your Midas touch.
I was looking at pictures of finger picks. they look very promising!! I think they might work well, if you could get the 'curve' out of them and wear them backward on your finger. Maybe you could heat and bend the plastic ones, or just take some pliers to the metal ones.
Next time I'm near the music store, I'll have to pick some up for testing!!
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What? What am I missing? Please point me in the right direction . Whos doing what with picks
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10-26-2013, 07:56 PM
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I'm sorry but your going to need to invest in another $200 for a CMC drop in trigger to get full mag dumps like this
Smith&Wesson M&P15-22 Slide Fire - YouTube
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10-26-2013, 09:12 PM
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mp15.22:
Nobody is saying you can run the slide fire on the stock trigger. The finger-tool I created took my slide fire from so-so to super-easy. It runs like a champ now. I am suggesting that the typical tradeoffs between trigger weight and light-strikes, and super-light uppers, and recoil-enhancers need not be so tight. If you run my finger device, you have more leeway to make other tradeoffs, instead of worrying about walking a tightrope and suffering light strikes.
Basic:
They are suggesting that instead of making a sheet-metal tube for your finger (as in first post of this thread), you can simply buy a finger pick.
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10-27-2013, 04:29 AM
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Quote:
Originally Posted by gr8jab
mp15.22:
Nobody is saying you can run the slide fire on the stock trigger. The finger-tool I created took my slide fire from so-so to super-easy. It runs like a champ now. I am suggesting that the typical tradeoffs between trigger weight and light-strikes, and super-light uppers, and recoil-enhancers need not be so tight. If you run my finger device, you have more leeway to make other tradeoffs, instead of worrying about walking a tightrope and suffering light strikes.
Basic:
They are suggesting that instead of making a sheet-metal tube for your finger (as in first post of this thread), you can simply buy a finger pick.
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Pics and how much?
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10-27-2013, 06:42 AM
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Quote:
Originally Posted by gr8jab
mp15.22:
Nobody is saying you can run the slide fire on the stock trigger.
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Actually, yes I am suggesting you can...
https://www.youtube.com/watch?v=-weNE9_8wTY
Box stock 15-22, stock FCG, Stock Springs... I just did a little
tweaking to the stock springs.
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10-28-2013, 12:32 AM
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Quote:
Originally Posted by Brett248Vista
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OK, I stand corrected....
Still, I want to try the finger pic.
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10-28-2013, 05:24 AM
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The metal picks I bought mold real nice to my trigger finger. Nice and solid at the contact point with the trigger. Now if I could get some time put in the woods I could test this interesting hypothesis.
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10-09-2017, 03:39 PM
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I was actually thinking of having a purpose built tight glove ( which I already use shooting), putting a small strip of very hard foam in that sweet spot, and taking off 1/16 or so from the finger rest. I bought mine direct from Slide Fire Solutions so it was already tuned and tricked out with recoil enhancer. Remains to be seen how long the Dems let me keep it though, LOL
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10-11-2017, 12:02 AM
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I have only tried mine a few times. Still lacking ammo in the area that I live.
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10-12-2017, 09:47 PM
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Quote:
Originally Posted by Luke79
I have only tried mine a few times. Still lacking ammo in the area that I live.
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Where do you live that ammo is not available???? Be Safe,
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