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Basic
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Posted: 3/17/2012 12:14:21 PM EST
DIY Homemade Slide Fire (bumpfire) stock for AK-47


Materials Required:
1. Tapco Inrafuse Stock $49.00
2. Two 'L' brackets $2.50
3. Screws $0.50
4. Can of matte black spray paint $2.00
Total: $54
http://a6.sphotos.ak.fbcdn.net/hphotos-ak-ash4/429289_3494925141913_1535112452_33079178_1000935848_n.jpg

1. Mount Intrafuse Stock to your AK-47

2. Remove the Stock Retaining Latch. Rotate the nut on the latch until you see the slot, there is a roll pin in this slot, tap out the roll pin, then unscrew the nut. The latch will now slide off.

3. Now that you have the latch off file down the edges (so that when assembled the latch can be pulled down and rotated sideways holding the latch open, thus allowing the stock to slide freely)

4. Reassemble the latch (don't for get to put the roll pin back in) and check the function as described above.

5. Remove rear sling swivel

6. Bend 'L' Bracket as seen in photo (using a vise to bend works best)

7. Line up the hole in the 'L' Bracket with sling swivel hole in the stock and screw together.

8. Drill hole in pistol grip, and screw 'L' Bracket to pistol grip (remove the original pistol grip screw and nut, the idea is to make the pistol grip and buttstock into one piece that slides freely back and forth on the Buffer Tube aka. stock extension).

9. cut a piece of an 'L' Bracket for use as a finger rest, screw it into the side of the pistol grip.

10. Spray paint to make it look good and protect the steel 'L' Bracket.
It is now ready to fire. If you wish to not bumpfire, all you've got to do is rotate the Stock Retaining latch around and let it spring back into place (this will lock up the stock so that you can shoot regularly).

http://sphotos.xx.fbcdn.net/hphotos-ash4/422857_3494925901932_1535112452_33079179_1953935234_n.jpg

http://sphotos.xx.fbcdn.net/hphotos-ash4/428108_3494926381944_1535112452_33079181_831609118_n.jpg

Notice the Stock Retaining latch is rotated side ways in the open position (ready to bumpfire).
Somebody text me when it's fo time
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Posted: 3/17/2012 1:15:45 PM EST
Interesting.

How bout a video of it working
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Posted: 3/17/2012 1:39:57 PM EST
neat idea
I swear to God I'm going to pistol whip the next guy who says, " Shenanigans."
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Posted: 3/17/2012 3:59:47 PM EST
I'll try and make a video when I get a chance.
I've put 2 30rd Mags trough it, cycled great no hiccups!
I just built it today, it only took about 10min to make.
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Posted: 3/18/2012 5:58:38 AM EST
[Last Edit: 3/18/2012 6:01:35 AM EST by Mach]
what does the L bracket do? Act as a spring?

I get it. Pistol grip is attached to the L bracket instead of the receiver.
Says Mach

“Necessity is the plea for every infringement of human freedom. It is argument of tyrants. It is the creed of slaves.”
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Posted: 3/23/2012 12:35:16 PM EST
[Last Edit: 3/23/2012 12:40:15 PM EST by MasterGunsmith]
Originally Posted By Mach:
Interesting.

How bout a video of it working


As requested, here is me shooting it.
http://www.youtube.com/watch?v=wYYhjxsW5tY&feature=youtu.be
Basic
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Posted: 3/23/2012 3:46:10 PM EST
Oh lord.

Now there's gonna be a run on Tapco buttstocks...
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Posted: 3/23/2012 4:34:00 PM EST
WOW
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Posted: 3/24/2012 5:47:58 AM EST
Check your brake out before you fire it again...I think it starting rotating after a few shots...
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Posted: 3/24/2012 6:02:49 PM EST
Originally Posted By CRab:
Check your brake out before you fire it again...I think it starting rotating after a few shots...


it definitely didn't end in the same place it started
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Posted: 3/25/2012 3:44:48 PM EST
Originally Posted By MasterGunsmith:
Originally Posted By Mach:
Interesting.

How bout a video of it working


As requested, here is me shooting it.
http://www.youtube.com/watch?v=wYYhjxsW5tY&feature=youtu.be


That is awesome!
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Posted: 3/25/2012 4:25:42 PM EST
Yeah it is one of those thread addapters for the old WASR's. I guess the constant vibrations from rapid fire was enough to rotate the brake a 1/4 turn. I put some red locktite on it, and that did the trick.

I was wondering if anyone would notice.
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Posted: 3/25/2012 4:36:32 PM EST
I want to try to make one using a SLR-95 stock.

"All compromise is based on give and take, but there can be no give and take on fundamentals. Any compromise on mere fundamentals is a surrender. For it is all give and no take." -Ghandi
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Posted: 3/25/2012 5:49:38 PM EST
Originally Posted By JIMBEAM:
I want to try to make one using a SLR-95 stock.



Be sure to post Pic's.

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Posted: 3/25/2012 8:07:55 PM EST
REALLY nice job. You show you really understand the AK.
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Posted: 3/27/2012 12:21:32 PM EST
Wouldn't you need to get an approval from the BATF before assembly or use like the slide fire guys did?
That small amount of bump fire can be done with just a little trigger work. (0.00 out of pocket)
I have learned to do that much with a stock FCG in a light recoiling AK74.
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Posted: 3/29/2012 6:27:06 PM EST
Originally Posted By Paintballer:
Wouldn't you need to get an approval from the BATF before assembly or use like the slide fire guys did?
That small amount of bump fire can be done with just a little trigger work. (0.00 out of pocket)
I have learned to do that much with a stock FCG in a light recoiling AK74.


Worked triggers can fail. This set up is removable and with out adjusting the stock retainer, unable to fast fire. Your idea might / could be misinterpreted as an altered firearm.
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Posted: 3/29/2012 6:42:48 PM EST
That small amount of bump fire can be done with just a little trigger work.


it will do mag dumps, but the idea is to shoot short burst (That is what they taught us in the US Army).
Regular bumpfire is far less controllable (and hard to do controlled burst), but if you want to mag dump from the hip you can not beat regular bumpfire.

be careful with doing trigger jobs to bumpfire (i don't think that is so much bumpfire, as it is Slamfire 'which is dangerous').


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Posted: 3/30/2012 12:37:35 PM EST
Originally Posted By jim:
Originally Posted By Paintballer:
Wouldn't you need to get an approval from the BATF before assembly or use like the slide fire guys did?
That small amount of bump fire can be done with just a little trigger work. (0.00 out of pocket)
I have learned to do that much with a stock FCG in a light recoiling AK74.


Worked triggers can fail. This set up is removable and with out adjusting the stock retainer, unable to fast fire. Your idea might / could be misinterpreted as an altered firearm.


It is not an altered firearm if it still takes one pull of the trigger to fire one round, it just takes less pressure & less movement to pull the trigger. It is the same thing you do when you put a light competition trigger in an AR.
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