![]() That results in about 11.6″ – 14.3″ of LOP adjustment range. However, when retrofitted with KPYK stock and handguard (plus a couple of other mods), it looks much more modern than the 100-series.Īs mentioned in the tech specs, the stock length is 6.88″ – 8.66″ when fully collapsed and extended. The trunnion adapter doesn’t add to the length of the gun more than the length of the rear trunnion tang itself on fixed stock AKs.Īn AKM-pattern rifle with wooden furniture looks pretty old compared to a 100-series gun. You can also install the provided QD cup near the buttplate as shown in the picture below. The stock has a QD socket built into the right side of the folding trunnion adapter. You must be patient not to scratch the finish on external parts when fitting the stock … don’t ask me how I know that. ![]() After 10 minutes of malleting, filing and swearing, I managed to fully seat the stock into the rifle so that the trunnion tang holes aligned and there were no gaps between the stock and the receiver. My AK happened to be stubborn and I ended up touching the trunnion adapter with a file where the trunnion scrubbed the finish off of the adapter and using the ultimate AK parts installation tool, mallet, to persuade things. As with any AK part installation, minor fitting is expected. Sounds easy, doesn’t it? Well, it is, but remember that we are dealing with AKs, which have tolerances of +/- one light year. The installation procedure is well described in the instruction manual. Then place the plastic wedge into the trunnion adapter, push the stock into the receiver until the rifle’s rear trunnion tang holes line up with corresponding threaded holes in the trunnion adapter of the stock, tighten the two screws and then tighten the wedge through the hole in the trunnion adapter. Then, assemble the KPYK stock by attaching the buttplate assembly to the stock body at your desired height using the two provided screws. First, prepare the rifle by field stripping it and removing its stock. The installation of the KPYK CRC 5002 stock is really straightforward.
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