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Sprinco 4-Coil M4 Enhanced Extractor Spring Upgrade Kit
ES-4COIL
$4.95
Out of stock
1
Product Details
Sprinco USA 4-Coil M4 Enhanced Extractor Spring Upgrade Kit
The 4-Coil spring features equivalent strength to the Gold spring, but much longer life due to the material and processing.
This will last the life of the bolt in most applications.
The pack includes 4-Coill spring and mil-spec black extractor spring insert
Made in USA
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