Original Weihrauch spring, less than 7.5 joules for HW 977 rifle.
Features (tolerance +/- 0.1 to 1mm):
Reference: R10338
Inner diameter: 13.79mm
Outside diameter: 20.10 mm
Number of coils: 26
Coil thickness: 3.20 mm
Weight: 93g
No comments entered for: