Advanced Tech
Advanced Tech AR-15 Castle Nut, Mil-Spec Steel Black - A5101020
SKU: A5101020UPC: 758152900067
$8.00$9.99
MSRP: $9.99
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Mil-Spec steel castle nut designed for AR-15 buffer tube assembly. This black steel component is used to secure the buffer tube to the receiver extension and is compatible with mil-spec AR-15 platforms. Installation requires standard armorer tools and is a critical component for proper buffer tube retention.
