NBS Mil-Spec Carbine Receiver Extension (Castle) Nut - Stainless
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$16.95
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$16.95
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Updated
Dec 17, 2025
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Specifications
MPN
23560
Description
Mil-spec carbine castle nut/lock ring for securing lock plate on an adjustable stock for AR-15, M4. 416 Stainless Steel Notched for Staking Weight: 0.4 ounces 100% American Made
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