mancat 2,368 Posted December 25, 2015 Report Share Posted December 25, 2015 (edited) This is a kit I've had for several years. Matching serial Bulgarian AK-74 kit - serial postfix is #666 on all parts, which increases its danger factor as an assault weapon, obviously. I've built this with a few tools & widgets borrowed from Sim_Player... When he gets his stuff back it will most likely include a few reamers & drill bits that I found useful here. I used the nitride 5.56 AK-74 barrel from Arms of America - this is the same barrel that AK Builder sells, machined from a Montana Rifleman 4140 blank, but at the time I ordered it, AKB only offered it in bare steel. Very nice looking barrel, and I'm looking forward to seeing how it shoots. I put it on the tighter side of 5.56 headspacing to try and get a bit more accuracy out of it. I was a bit wary of these barrels' hardness and longevity until I saw Mel64d on Youtube do a Rockwell test on them, and saw that they were coming out harder than Romy CHF barrels. Checking furniture & mag fitment before final riveting & component pinning.Feed & ejection check passed full 30 rounds /w Beryl magazines. Mags rock solid.I did lightly file 5.45 bolt extractor shelf to get a tighter grab on 5.56 rim, but probably not needed. Almost done - just needs rear trunnion & scope rail riveted, then pin the barrel components. When finished it will probably be wearing a Beryl folding stock & K-grip, as I intend for this to be a dedicated truck gun. Edited December 25, 2015 by mancat 10 Quote Link to post Share on other sites
Sim_Player 1,939 Posted December 25, 2015 Report Share Posted December 25, 2015 (edited) I can think of a few cool nicknames for a gun with that serial #. There aren't to many things more satisfying than building a rifle from pieces. Mark the fsb and corresponding spot on the barrel, if you fire it before pinning it. The recoil caused mine to move and although it was perfect, it may not be now. I may purchase a boresight laser. Edited December 25, 2015 by Sim_Player Quote Link to post Share on other sites
mancat 2,368 Posted December 25, 2015 Author Report Share Posted December 25, 2015 (edited) Yeah that happened to me when I put the 74 components on my Saiga. Pinned the GB but left the FSB unpinned so I could verify its center before I drilled it, and it fell off of the barrel while shooting. Surprising since I really cranked it on there. Edited December 25, 2015 by mancat Quote Link to post Share on other sites
mancat 2,368 Posted January 10, 2016 Author Report Share Posted January 10, 2016 (edited) Finished riveting and pinned the RSB, then took out to test. FSB still needs adjustment. Thought I may need to go up to a larger gas port size (I used 1/16" bit which is .0625" but I figure using a hand drill it ended up closer to .065-.067") but it chewed up & spat out everything with no issues, and was much smoother/gentler than the Saiga .223, which is way overgassed IMO. No problems with either WPA .223 or Prvi M193, threw cases out to 20ft or so with either. No ejection problems with 5.45 extractor or bolt. Edited January 10, 2016 by mancat 1 Quote Link to post Share on other sites
mancat 2,368 Posted April 30, 2016 Author Report Share Posted April 30, 2016 Still not 100% complete but functioning well for hundreds of rounds now. Need to finish last couple bits soon. Made a short video yesterday whole shooting 2 Quote Link to post Share on other sites
mancat 2,368 Posted August 28, 2016 Author Report Share Posted August 28, 2016 3 Quote Link to post Share on other sites
Sim_Player 1,939 Posted August 29, 2016 Report Share Posted August 29, 2016 It looks very well made. You did a great job! Quote Link to post Share on other sites
mancat 2,368 Posted August 31, 2016 Author Report Share Posted August 31, 2016 Thanks bud, wouldn't have been able to get it wrapped up without your nice tools.. Hope my replacement for the jaw I broke is working out OK. Quote Link to post Share on other sites
InTTruder 11 Posted February 12, 2018 Report Share Posted February 12, 2018 Great looking work with evident attention to detail- Quote Link to post Share on other sites
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