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Aero Precision Receiver Extension Lock Nut
Lowest Price
$7.99
MSRP
$7.99
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Updated
Jan 13, 2026
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Description
The Aero Precision Receiver Extensionock Nut is an essential piece of your tough and accurate AR-15 carbine buffer assembly. This castle nut was made to meet military specs and fits on AR-15 carbines with adjustable stocks. Whether you're
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