Your current recoil spring weight can be determined by measuring the diameter of the spring wire with calipers.
| Spring Weight (in pounds) | Conventional Coil | Variable Coil |
|---|---|---|
| 5 | n/a | .034 |
| 6 | n/a | .035 |
| 7 | .038 | .036 |
| 8 | .038 | .038 |
| 9 | .040 | .040 |
| 10 | .041 | .040 |
| 11 | .042 | .041 |
| 12 | .042 | .042 |
| 13 | .043 | .042 |
| 14 | .043 | .043 |
| 15 | .045 | .044 |
| 16 | .045 | n/a |
| 16.5 | n/a | .045 |
| 17 | .046 | n/a |
| 17.5 | n/a | .046 |
| 18.5 | .047 | .047 |
| 20 | .047 | .047 |
| 22 | .048 | .048 |
| 24 | .050 | n/a |
| 26 | .052 | n/a |