ATI Outdoors Castle Nut for AR-15/AR-10 Rifles, Black

Name: ATI Outdoors Castle Nut for AR-15/AR-10 Rifles, Black
Brand: ATI
Availability: InStock

ATI · Buffer Tubes & Springs

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Best price

$9.99at OpticsPlanet

In stock Sale checked Oct 1, 2026

Buy at OpticsPlanet

Compare 5 stores

Where to buy

Store	Price	Availability	Buy
OpticsPlanet Best price	$9.99Salechecked Oct 1, 2026	In stock	Buy at OpticsPlanet
GunMag Warehouse	$10.99checked Oct 1, 2026	In stock	Buy at GunMag Warehouse
Ammunition Depot	$15.99checked Oct 1, 2026	In stock	Buy at Ammunition Depot
Battlehawk Armory	$6.40Salechecked Oct 1, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$8.29Salechecked Oct 1, 2026	Check store	Buy at Palmetto State Armory

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $9.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	$15.99	$15.99	$15.99
Battlehawk Armory	$6.40	$6.40	$6.40
GunMag Warehouse	$10.99	$10.99	$10.99
OpticsPlanet	$9.99	$9.99	$9.99
Palmetto State Armory	$8.29	$8.29	$8.29

Since Sep 28, 2026.

About this part

The ATI Outdoors Castle Nut for AR-15/AR-10 Rifles, Black is an AR-10 buffer part from ATI. It's sold by 5 stores (3 in stock), from $6.40 to $15.99. The lowest in-stock price in the last 30 days was $9.99 at OpticsPlanet.