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Nordic Components® Extension Tube Springs - Heavy Duty 12ga

Manufacturer: Nordic Components®
SKU: NCMXT-SP-045-50
Manufacturer part number: MXT-SP-045-50
GTIN: 816696021195
Not for use with the Mossberg 930 or Browning Gold. Recommended for applications where magazine capacity is 13 or more. SKU: MXT-SP-045-50
Availability: 89 in stock
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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
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