Rapax 3+Joule airsoft spring

Thousands of happy users use our Rapax 3+J airsoft spring in their Silverback SRS, Tac41, Novritsch SSG10, SSG96, Modify Scout, …

Springs are 13mm outer diameter, so they fit all above mentioned sniper replicas.

Rapax 3+ J airsoft sniper spring is upgrade spring for Silverback SRS/Tac41, Novritsch SSG10 or upgraded VSR. It will outperform any stock spring you can get for now on the market.

The first thing you will notice is a lighter bolt pull compared to other airsoft sniper springs. In short: you will make less effort for more power. The Silverback M160 and Rapax 3+J spring need similar pull strength but the our spring gives more FPS/joule in comparison.

Confirmed results for our spring 3+ Joule with a standard and upgraded Silverback SRS/Tac41. FPS and Joule may vary depending on the setup used in your sniper rifle replica, such as piston weight, barrel length ect. 

We remind you that J is measuring just with heavy bb´s and not with 0.2. Please adjust hop-up for best flight path before measuring.

Results : our airsoft spring will (3+ Joule/Red) give you between 2,8J (G-Spec) to 4J for longest barrels.

If the Rapax 3+J spring is too strong for your field, you can cut some of the coils without damaging the spring integrity, as long as it is done properly. Instructions how to cut a spring are in video section here https://rapaxsprings.com/how-to-cut-airsoft-spring/

Spring wire, used for production of our springs is of the highest quality, ensuring a prolonged period of usage compared to other springs. So far tests have proven more than 10.000 shots with one spring without losing strength.

We use spring tempering process in a way to guarantee a long lifetime and very small FPS/Joule loss over time.

Rapax handmade springs – made in Europe to give you the best and most silent results for your sniper.

Our springs prevent the “twang” sound in airsoft sniper replicas. We recommend for you to use lithium or any thick grease on spring and spring guide.