KAK Industry

KAK AR-15 Mil-Spec CASTLE NUT

KAK Industry KAK AR-15 MIL-SPEC CASTLE NUT - Castle Nut - view 1
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KAK Industry

Overview

The KAK AR-15 Mil-Spec CASTLE NUT is a castle nut. Compare prices from multiple merchants and find the best deal.

Specifications

MPNKAK-NUT
ColorBlack
MaterialSteel
FinishBlack

Available Merchants(1)

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Primary Arms
Free shipping over $99
Shipping Speed
In Stock
$5
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Price and stock

The KAK AR-15 Mil-Spec CASTLE NUT was in stock most days in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $4.50, so there haven't been real sales lately. Buying today, the lowest price is $4.50 at Primary Arms, which matches the best price we saw in August.

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Prices checked · refreshed daily across 35 retailers

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