Replacement spring for shotgun magazine extensions.
- Spring has extra length to allow fitting to magazine
- Ships coiled in package with instructions for determining length and cutting
- Available in standard and heavy-duty strengths for 12ga, standard strength for 20ga
NOTE: Due to magazine spring tension issues, we do not recommend using an HD spring in the following shotguns:
- Mossberg 930 (all models)
- Browning Gold