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[Mil-Spec] AR-15 Carbine Action Spring
The carbine action spring is made to mil-spec standard for use with mil-spec or commercial extension receivers and a carbine buffer assembly.
Typical recommended replacement is 5,000 rounds, or when your action spring measures shorter than 10.0625" inches at resting length.
Manufacturer Mil-Spec Shipping Restriction ITAR/Export Restricted MSRP $3.00
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