Arsenal Saiga SGL21 with a Bumpski stock, Hogue pistol grip, Romy dong, Bulgarian ribbed dust cover, upper hg, and vented gas tube, a Hungarian sling, and a Russian Bakelite mag. I like mixing things up and changing it around from time to time. Haven't tried the Bumpski out yet but looking...
From looking at your video that's just your bolt carrier sticking. My Saiga did that until broken in. Shouldn't affect function and will probably cease sticking once you've put more rounds through it.
Nice score! I'd love to find a deal like that! You can swap out the furniture for some Romy wood pretty cheap if you want to take it back to a more "classic" ak look. I just bought a set for $22 on another forum. The US 922r compliance parts originally installed on the rifle should be the...