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Posted: 10/10/2010 11:12:36 AM EDT
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Anyone here have experience putting one of these internal receiver blocks in and then using the ace side folder? I was thinking of converting one of my AK's to use this folder as it looks pretty durable. I have a Romy push button side folder now and the cheek weld is not what it needs to be. I have several AK's but from what I understand you have to cut the rear buttstock lip off to use the internal receiver block and this would be a perment mod to the receiver. I just wanted some input from the AK guys here before I began this quest.
Thanks 
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I put one on my Arsenal SLR-101SG (yes, taking a Dremel to a nice milled Bulgarian AK does give one pause). No regrets at all. It is very rigid when locked open and comfortable.
Mine has the "super-short" length butt, which gives a LOP similar to a regular Combloc butt. |
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No cheap but if you willing to spend the money... You'll get a "rifleman" folder!!
After playing around with under folders, Romanian side folder and AK74 stock I rather have the Ace. "Kyhber Pass" is cool but can't do it in my basement let alone find the parts!! This on my MAK 90, Looks and feel similar to FAL Paratrooper 
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I've owned a Krebs Custom AK103k for about 5 years now and it is a fine rifle. The rifle came with the standard black plastic stock with metal butt plate, which I was never comfortable with. The length of pull was OK, though I prefer a shorter length. The butt of the stock was short (in height) and curved out on the bottom. Since I hold the rifle high on my shoulder (as opposed to crunching down to use the sights), the stock was never really comfortable.
After a bit of research, I decided to install a new stock using the following parts; - ACE Internal Receiver Block - ACE Folding Mechanism with integrated AR15 type Stock interface - Magpul CTR stock (mil-spec) Installation of the internal receiver block requires the removal of the rear tang. This is a straight-forward process using a hack saw, a file and some black paint for touch-up. In my case, the receiver block required some fitting. Specifically, the top of the tangs needed to be filed down a bit to allow the block to slide all the way in. I did the filing a little at a time, test fitting along the way. Once the block required only a few light taps to fully seat, it is secured with the supplied machine screw and nut on the top and the pistol grip screw on the bottom. The folding mechanism bolts up solidly to the receiver block. The next step was to cut down and secure a mil-spec buffer tube to the folding adapter. Since I wanted the CTR to lock into the forward-most position with little to no gap between it and the folding adapter, I decided not to use a castle nut to scure the tube to the adapter. After taking some measurements to determine how much I would have to remove from the tube, I made the first cut with a Dremel and then went to work with a file. The goal was to get the tube cut to just the right length so that when it was hand tightened into the folding adapter as far as it would go (bottom the threads), it would be timed perfectly with the rail at the 6 o'clock position. Once I got it to this point, I cleaned the threads with brake cleaner and applied a generous amount of Locktite. Finally, once the tube and stock were assembled to the rifle and I verified all was straight, I drilled through the adapter and buffer tube and secured them together with a roll pin (see the second photo below). Using this procedure, the tube is very well secured to the folding adapter with no chance of coming loose. The stock modification worked out really well. With the stock folded to the side, the OAL is 26-1/4 inches keeping the BATF happy. With the stock folded out and the CTR locked in the front-most position, the rifle's AOL length is 34 inches, including the extended Magpul rubber butt plate. The other mod made at this time was replacing the stock front/lower handguard with a Tapco INTRAFUSE that includes a bottom rail so that I can attach a Magpul AFG. This combo worked out well and fit together perfectly without modification. I had a chance to try out the new modifications yesterday at a local carbine match. Overall, the modifications made the AK easier to handle and control. I shot the entire match with the CTR locked all the way forward (12 inch length of pull) which worked out very well for me. Photo of completed rifle; 
Photo below shows close-up of new stock, with CTR locked in front-most position. Notice roll pin just under pivot that secures buffer tube to the folding adapter; 
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Thanks for all the replies. I Know I have to buy the internal receiver block obviously,but im wanting to use the standard para looking side folder. Do I have to buy side folding hardware or does this come with the stock when purchased? On the ACE website it says the stock can be folded to the left or right depending on which way you turn the hardware. Which way would you fold yours? I have a Romy that folds to the right already and a pre ban chinese sidefolder that folds to the right, Whats the advantage to folding the stock to the left?
Thanks Guys |
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Quoted:
Thanks for all the replies. I Know I have to buy the internal receiver block obviously,but im wanting to use the standard para looking side folder. Do I have to buy side folding hardware or does this come with the stock when purchased? On the ACE website it says the stock can be folded to the left or right depending on which way you turn the hardware. Which way would you fold yours? I have a Romy that folds to the right already and a pre ban chinese sidefolder that folds to the right, Whats the advantage to folding the stock to the left? Thanks Guys If it folds right it blocks the safety and might interfere with your access to the charging handle. If it folds left it could prevent use of a side optics mount. |
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Quoted:
Quoted:
Thanks for all the replies. I Know I have to buy the internal receiver block obviously,but im wanting to use the standard para looking side folder. Do I have to buy side folding hardware or does this come with the stock when purchased? On the ACE website it says the stock can be folded to the left or right depending on which way you turn the hardware. Which way would you fold yours? I have a Romy that folds to the right already and a pre ban chinese sidefolder that folds to the right, Whats the advantage to folding the stock to the left? Thanks Guys If it folds right it blocks the safety and might interfere with your access to the charging handle. If it folds left it could prevent use of a side optics mount. If we are talking about the NON push button folding mechanism, It is designed to fold the the right. If you turn it upside down the fold to the left, the easy open action will not work as it is supposed to. It will work, but there will be more action required to get it open as compared to the simple flick to get it open when folded to the right. When folded to the right it does get in the way of the action, but there is no reason to shoot the rifle with the stock closed. This is not the movies. |
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Quoted:
Quoted:
Quoted:
Thanks for all the replies. I Know I have to buy the internal receiver block obviously,but im wanting to use the standard para looking side folder. Do I have to buy side folding hardware or does this come with the stock when purchased? On the ACE website it says the stock can be folded to the left or right depending on which way you turn the hardware. Which way would you fold yours? I have a Romy that folds to the right already and a pre ban chinese sidefolder that folds to the right, Whats the advantage to folding the stock to the left? Thanks Guys If it folds right it blocks the safety and might interfere with your access to the charging handle. If it folds left it could prevent use of a side optics mount. If we are talking about the NON push button folding mechanism, It is designed to fold the the right. If you turn it upside down the fold to the left, the easy open action will not work as it is supposed to. It will work, but there will be more action required to get it open as compared to the simple flick to get it open when folded to the right. When folded to the right it does get in the way of the action, but there is no reason to shoot the rifle with the stock closed. This is not the movies. Mine folds left, but I pretty much never fold it, unless I'm showing somebody the rifle. "Look, it folds and adjusts!" |
| I put a push button side folder on my Saiga 12. It interfered with the bolt when setup to fold to the right unless I set the screw so the stock sat down lower in the folding mechanism, but then it looked "off". Even with a Kobra red dot riding on the scope rail the folding mechanism would still lock up. As far as an ambi sling mount goes I got one from them, drilled a 5/32 hole in the top of the folding mechanism and tapped it out 10-32. Worked great and looked like it belonged there. And even ounder the recoil of 12 gauge shells the stock was rock solid and very recoil absorbing(with 1" recoil pad). |
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