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Home / Gun Parts / Ergo / Ergo Castle Nut for AR-15, Black - 4971-(B)
▼ 38% below avg
Ergo Castle Nut for AR-15, Black - 4971-(B)

Ergo Castle Nut for AR-15, Black - 4971-(B)

Lowest Listed Price
$6
MSRP
$12.99
Savings
54% off
Retailers Reporting In Stock
5 Stores
Updated
Sep 8, 2026
Compare Deals from 10 Retailers
Sorted by lowest price
Hinterland Outfitters
Hinterland Outfitters Best
● In Stock
$6
Red Team Armory
Red Team Armory
● In Stock
$8.89
Classic Firearms
Classic Firearms
● Stock Unknown
$9.31
OpticsPlanet
OpticsPlanet
● In Stock
$9.99
E-Commerce Arms
E-Commerce Arms
● In Stock
$11.17
Coastal Firearms
Coastal Firearms
● In Stock
$12.99
BattleHawk Armory
BattleHawk Armory
● Out of Stock
Confirm price at retailer
N/A
GunMag Warehouse
GunMag Warehouse
● Out of Stock
Confirm price at retailer
N/A
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Specifications

Brand
Ergo
Model
Castle Nut
MPN
4971B
UPC
810049123000

Description

Ergo Castle Nut for AR-15, Black - 4971-(B)

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