Our full-length movie "Mystery Team" premiered at the Sundance Film Festival in January 2009. More details on release coming soon. See the trailer and get more info at http://mysteryteam-movie.com
DESCRIPTION: Last Friday there has been a topic at AR15.com regarding an AK DIAS (drop in auto sear). After reading the initial topic my conclusion was that there is no such thing (the matter registered or not is beyond this consideration). A search at the web resulted in the usual rumors: "There had been a guy (decades ago) who did something like that but never seen any bla bla, yada yada... Somebody else claimed having done it but wouldn't release any info... http://www.gunsnet.net/forums/ archive/index.php/t-144.html
All the other full auto conversions I've seen require drilling, welding, cutting parts of the guide rails etc. - what is of course not the meaning of "drop in".
Since I'm interested in facts rather than rumors and since in principle every semi auto selfloader can be modified to shoot full auto I decided to build my own device. In the meantime some people told me they would consider it being a Lightning Link (LL) as it is known for AR15-rifles. Since I was just dealing with the trigger assembly due to my AKM rate reducer video all the necessary stuff was at hand.
Don't know if this is new, maybe somebody did this before - I simply wanted to see how it can be done and if it works as intended. The task was to use the original parts to catch the hammer avoiding safety issues due to possibly improperly homemade parts. Should work no matter if full or semi auto bolt carrier. Should be possible to make with a minimum of technical equipment and as always as few and simple parts as possible.
In the following the trigger is pulled unless stated otherwise. DIAS/LL rides on the trigger pin. If the hammer has passed the front hook the left ear (of the hammer) pushes against the lever arm of the DIAS/LL spring thus creating a rearward push at the DIAS/LL.
So you could say the hammer generates the spring pressure which is pushing away the disconnector. If the hammer passes the front hook of the trigger on its forward move the auto-sear immediately turns forward into its starting position again.
If the front end of the DIAS/LL is released by the bolt carrier the rear end of the DIAS/LL turns downwards and it's angled part contacts the tail of the disconnector and pushes it down and away from the hammer thus disengaging the disconnector from the hammer. The hammer now turns forward and hits the firing pin. The DIAS/LL and thus the hammer will be released if the bolt carrier is about 1mm before its front position (3mm at the original auto-sear).
Requires a full-auto disconnector. I've seen some altered "half tail" FA disconnectors where they chopped the rear half of the tail (which is originally having contact with the safety lever) - these will work too. True semi-auto sears (no tail at all) won't.
As is this makes it FA only. There are (at least) two ways (using the same basic design) to make it a real select fire rifle. First to use a slotted hole for the DIAS/LL and link it together with the safety lever. Lever in the middle pos. as described. Lever in the downward pos. (semi-auto) will pull back the DIAS/LL so that the spring will disengage with the hammer and the DIAS/LL with the disconnector at the same time. So you have your regular semi-auto trigger setting. Second you link one arm of the spring (DIAS/LL) with the safety lever. In a way that in the semi-auto pos. it would pull away the spring from the hammer without changing the forward (rest) pos. of the DIAS/LL. In both cases you would need a third (middle) pos. for the safety lever. There is either a pin (milled receivers) or L-shaped part (sheet metal receivers) that limits the downward travel of the safety lever. There exist semi-auto versions where the semi-auto pos. is down like at the FA version and some where the travel of the safety is limited to about the middle pos. For the described select fire mods the first one is better.
Don't know what else I should tell - there is nothing more than that.
Sorry guys - no blueprint or further specifications available.
For academic use only - observe your laws!
In Germany full auto conversion parts are free for sale. You can even own a semi auto gun and the corresponding full auto parts at the same time. But you are not allowed to install them. Important is what you actually do.
Our full-length movie "Mystery Team" premiered at the Sundance Film Festival in January 2009. More details on release coming soon. See ...
more
Our full-length movie "Mystery Team" premiered at the Sundance Film Festival in January 2009. More details on release coming soon. See the trailer and get more info at http://mysteryteam-movie.comless
Our full-length movie "Mystery Team" premiered at the Sundance Film Festival in January 2009. More details on release coming soon. See ...
more
Our full-length movie "Mystery Team" premiered at the Sundance Film Festival in January 2009. More details on release coming soon. See the trailer and get more info at http://mysteryteam-movie.comless
DESCRIPTION: Last Friday there has been a topic at AR15.com regarding an AK DIAS (drop in auto sear). After reading the initial topic my conclusion ...
more
DESCRIPTION: Last Friday there has been a topic at AR15.com regarding an AK DIAS (drop in auto sear). After reading the initial topic my conclusion was that there is no such thing (the matter registered or not is beyond this consideration). A search at the web resulted in the usual rumors: "There had been a guy (decades ago) who did something like that but never seen any bla bla, yada yada... Somebody else claimed having done it but wouldn't release any info... http://www.gunsnet.net/forums/archive...
All the other full auto conversions I've seen require drilling, welding, cutting parts of the guide rails etc. - what is of course not the meaning of "drop in".
Since I'm interested in facts rather than rumors and since in principle every semi auto selfloader can be modified to shoot full auto I decided to build my own device. In the meantime some people told me they would consider it being a Lightning Link (LL) as it is known for AR15-rifles. Since I was just dealing with the trigger assembly due to my AKM rate reducer video all the necessary stuff was at hand.
Don't know if this is new, maybe somebody did this before - I simply wanted to see how it can be done and if it works as intended. The task was to use the original parts to catch the hammer avoiding safety issues due to possibly improperly homemade parts. Should work no matter if full or semi auto bolt carrier. Should be possible to make with a minimum of technical equipment and as always as few and simple parts as possible.
In the following the trigger is pulled unless stated otherwise. DIAS/LL rides on the trigger pin. If the hammer has passed the front hook the left ear (of the hammer) pushes against the lever arm of the DIAS/LL spring thus creating a rearward push at the DIAS/LL.
So you could say the hammer generates the spring pressure which is pushing away the disconnector. If the hammer passes the front hook of the trigger on its forward move the auto-sear immediately turns forward into its starting position again.
If the front end of the DIAS/LL is released by the bolt carrier the rear end of the DIAS/LL turns downwards and it's angled part contacts the tail of the disconnector and pushes it down and away from the hammer thus disengaging the disconnector from the hammer. The hammer now turns forward and hits the firing pin. The DIAS/LL and thus the hammer will be released if the bolt carrier is about 1mm before its front position (3mm at the original auto-sear).
Requires a full-auto disconnector. I've seen some altered "half tail" FA disconnectors where they chopped the rear half of the tail (which is originally having contact with the safety lever) - these will work too. True semi-auto sears (no tail at all) won't.
As is this makes it FA only. There are (at least) two ways (using the same basic design) to make it a real select fire rifle. First to use a slotted hole for the DIAS/LL and link it together with the safety lever. Lever in the middle pos. as described. Lever in the downward pos. (semi-auto) will pull back the DIAS/LL so that the spring will disengage with the hammer and the DIAS/LL with the disconnector at the same time. So you have your regular semi-auto trigger setting. Second you link one arm of the spring (DIAS/LL) with the safety lever. In a way that in the semi-auto pos. it would pull away the spring from the hammer without changing the forward (rest) pos. of the DIAS/LL. In both cases you would need a third (middle) pos. for the safety lever. There is either a pin (milled receivers) or L-shaped part (sheet metal receivers) that limits the downward travel of the safety lever. There exist semi-auto versions where the semi-auto pos. is down like at the FA version and some where the travel of the safety is limited to about the middle pos. For the described select fire mods the first one is better.
Don't know what else I should tell - there is nothing more than that.
Sorry guys - no blueprint or further specifications available.
For academic use only - observe your laws!
In Germany full auto conversion parts are free for sale. You can even own a semi auto gun and the corresponding full auto parts at the same time. But you are not allowed to install them. Important is what you actually do.
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