If your looking for a bolt SVD there are very few out there and they are propriatery parts... Please listen carefully.... BUY SOMETHING ELSE!
You will fall into a money pit that you will never recover on the path of a bolt action SVD, they are cheaply made, propriatery parts and a real SVD is semi auto...
Number one rule with an airsoft bolt action Buy an amazing base or an amazing gun out of the box. Otherwise you wind up with a 800$ Well and no one will ever buy it and you will wonder why you didn't buy a better base and be into it for 1000$ and be able to resell it at a similar price if you lose interest or have an amazing gun for the life of the sport.