Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: will this fit 20 mm rails? (ak rails)
Document: wondering if I ordered the wrong mount but needed to use different screws to fit my paintball marker picanny rails. debating to remove this all together.
You get what you pay for. This is a very cheap product. I don't think it will last long. The screws that came with it were not long enough to fit on the rails of the AirSoft gun I bought it for. On the positive side my son loves it. It was easy to site in, and it came with an extra battery.
I guess it does what it's supposed to, if it would actually fit on my gun! Ya it's a 3/8 dove tail base but that doesn't mean anything if you only have an few milimeters verticle room to get it on anything. Might just be my rails. If it would fit then it would be perfect for the price...
Paintball/airsoft markers are not exactly precise aim devices. this red dot was great for getting a quick idea of where the paintball might go.Don't buy this item if:You need a precise aiming tool for a rifle to protect your life in a real battle. also it won't fit because it's not for picatinny rails.
Very disappointed to see that this sight doesn't fit a standard airsoft rail, considering that it is a recommended accessory for many of the popular models. The manufacturer-included screws are ~1/8th to 1/4 an inch too short. Perhaps fine for a Ruger 10/22 (although this is more of a plastic toy than a legitimate sight) fitting, but forget it for 99% of weavers, dovetails and picatinny rails...
Seller was great red dot was wrong size for my gun, but thats my bad. If you aren't using weaver type rails, you're set. If you are its to small. Still great product and fast shipping!
The  red dot is good. It just doesn't adjust to rails well. Its really small and it doesn't look really cool on the gun. Its hard to adjust and its a pain to put on. If you want a dot sight spend a couple more bucks on a better one.
The produce itself is fine and i dont know to much on rails for guns so i based it off the placement of the item via what i searched. Airsoft outdoors & sports like listed in the search bar and when i looked at the imagine on the page you cant tell the rail size.
first off i just got this sight for my gun since it was cheap, and so it is . completely stands up for the amount of money it is you would think that airsoft rails are universal (they are) and what that says is that the sight isnt good or no effort into it by the workers if i could give this 0 stars i would infact i would give it -2
it won't fit on any of my guns its crap, but it does look cool, it might work on a pistol but....
Answer: yes