Spring Performance Guide Chart
Springs.. and their differences
Spring Performance Guide Chart
Systema |
21CA |
Guarder |
PDI |
Theoretical FPS .2g bb |
Joules |
Min. Battery |
Gearbox |
Gears |
Bearing |
Bushing |
Fast Gears |
Torque Up Gears |
Bore UP Cylinder |
| M90 | 295 | SP90 | 100% | 294.3 |
0.81 |
8.4 v |
Stock |
Stock |
Yes |
Yes |
Option |
Option |
No |
| M100 | 330 | SP100 | 120% | 327 |
1.00 |
8.4 v |
Stock |
Stock |
Yes |
Yes |
Option |
Option |
No |
| N/A | 360 | SP110 | 150% | 359.7 |
1.21 |
8.4 v |
Stock |
Stock |
Yes |
Yes |
No |
Option |
No |
| M120 | 390 | SP120 | 170% | 392.4 |
1.44 |
8.4 v |
Stock |
Re-Inforced |
No |
Yes |
No |
Option |
No |
| M130 | 425 | SP130 | 210% | 425.1 |
1.69 |
9.6 v |
Re-Inforced |
Re-Inforced |
No |
Yes |
No |
Suggested |
Option |
| M140 | 455 | SP140 | 240% | 457.8 |
1.96 |
10.8 v |
Re-Inforced |
Re-Inforced |
No |
Yes |
No |
Suggested |
Option |
| M150 | 490 | SP150 | 270% | 490.5 |
2.25 |
10.8 v |
Re-Inforced |
Re-Inforced |
No |
Yes |
No |
Suggested |
Option |
| M160 | 520 | SP160 | 300% | 523.2 |
2.56 |
12 v |
Re-Inforced |
Re-Inforced |
No |
Yes |
No |
Suggested |
Yes |
| 550 | SP170 | 550.2 |
2.86 |
12 v |
Re-Inforced |
Re-Inforced |
No |
Yes |
No |
Suggested |
Yes |
Originial Spring Selection Chart supplied by Airsoft Guide, Modified by 21st Century Airsoft to include more manufacturers. Performance may vary from manufacturer to manufacturer. These result are to be used as a guide line only.
This page last updated: Wednesday, December 1, 2004 9:47 PM
