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|
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 manufaturers. Performance
may vary from Manufacturer to Manufacturer. These result are to be used
as a guide line only.
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