AR-15 Castle Nut

Browse 49 castle nut for AR-15. Compare prices to find the best deals.

49 Products

Castle Nut

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Mil-Spec Standard Castle Nut

$3.644 retailers
Generic / Mil-Spec Standard Mil-Spec AR-15 Castle Nut

Generic / Mil-Spec Standard Mil-Spec AR-15 Castle Nut

$3.952 retailers
Magpul Magpul Mil-Spec Steel Castle Nut

Magpul Magpul Mil-Spec Steel Castle Nut

$4.952 retailers
Phase 5 Phase 5 AR-15 Receiver Extension Castle Nut

Phase 5 Phase 5 AR-15 Receiver Extension Castle Nut

$5.002 retailers
Midwest Industries MI AR Receiver Extension Lock Ring (M4BSTK-CN)

Midwest Industries MI AR Receiver Extension Lock Ring (M4BSTK-CN)

$5.002 retailers
VLTOR VLTOR Receiver Lock Nut (Castle Nut)

VLTOR VLTOR Receiver Lock Nut (Castle Nut)

$5.502 retailers
Precision Defense Mil Spec Steel Castle Nut

Precision Defense Mil Spec Steel Castle Nut

$5.99
Spike's Tactical Spike's Tactical Mil-Spec Castle Nut (SLA501N)

Spike's Tactical Spike's Tactical Mil-Spec Castle Nut (SLA501N)

$6.952 retailers
Timber Creek Outdoors TCO Steel Castle Nut

Timber Creek Outdoors TCO Steel Castle Nut

$6.99
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Daniel Defense Daniel Defense Castle Nut (15-057-20039)

$7.002 retailers
BCM BCM Receiver Extension Nut (Castle Nut)

BCM BCM Receiver Extension Nut (Castle Nut)

$7.002 retailers
Noveske Rifleworks Noveske N4 Parkerized Castle Nut

Noveske Rifleworks Noveske N4 Parkerized Castle Nut

$8.002 retailers
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Seekins Precision Seekins Precision Mil-Spec Castle Nut

$8.002 retailers
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BCM Castle Nut

$8.643 retailers
Spike's Tactical Spike's Tactical Lightweight Chromoly Castle Nut (SLA501N-LW)

Spike's Tactical Spike's Tactical Lightweight Chromoly Castle Nut (SLA501N-LW)

$8.962 retailers
Aero Precision Aero Precision Receiver Extension Lock Nut

Aero Precision Aero Precision Receiver Extension Lock Nut

$8.992 retailers
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Geissele Geissele Premium Mil-Spec Castle Nut

$9.952 retailers
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Battle Arms Development B.A.D. AR15/M16 Receiver Extension Nut

$11.002 retailers
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Strike Industries Enhanced Castle Nut

$11.355 retailers
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Fortis Manufacturing Fortis Standard Castle Nut (7075 Aluminum)

$11.952 retailers
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V Seven V Seven Ultra-Light Aluminum Castle Nut

$13.002 retailers
Strike Industries SI-AR-CN Standard Castle Nut

Strike Industries SI-AR-CN Standard Castle Nut

$13.952 retailers
2A Armament 2A Armament Builder Series Aluminum Castle Nut

2A Armament 2A Armament Builder Series Aluminum Castle Nut

$14.952 retailers
JP Enterprises Enhanced Castle Nut

JP Enterprises Enhanced Castle Nut

$15.15
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About AR-15 Castle Nut

Loadout Combat Lab indexes 49 castle nut for AR-15 from multiple retailers. Compare prices side by side to find the best deal on castle nut for your ar-15 build.

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