Quote:
Originally Posted by MasterBlaster
Is there any way to control the FPS on these things/What controls the FPS. Is it the spring tension?
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There are only two types of Bolt Action sniper rifles;
Gas - in which the fps is usually not adjustable. However, some manufactures have produced gas BAs with adjustable regulators, an these allow you to manipulate the amount of gas dispersed with each shot, there by allowing you to adjust your fps. Gas BAs are easier to use in the aspect of pulling back the bolt, but they also require a fairly high amount of maintenence.
Spring - by which your fps is controlled by switching out the springs inorder to acquire the desired fps. There are many manufacturers which produce different types and tensions of springs, and all you'd need to do is search around for the fps rating on a spring that you want, switch out the original, and you're ready to go. Spring powered airsoft guns tend to shoot with more consistancy for shot to shot, day by day, where as gas tends to be tempermental, being less consistant depending on the temperature, yadda, yadda...
As well, spring operated BAs tend to require a lot less maintenence than gas BAs, but the upgrades required to handle the stronger springs tend to be expensive and troublesome, depending on the make of BA.
I'd suggest you start out with no more than 450 fps with 0.20 BBs until you have enough experience using a BA. It is the accepted fps limit for BAs on all fields (unless the host posts otherwise), and when you have proven to the rest of the airsoft community that you can handle the higher fps safely, you can move up to the next higher BA fps level.
Hope this is what you were looking for.
SHA DO