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

No ratings yet

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

Best price

$6.21at Kentucky Gun Co

In stock Lowest in 30 dayschecked Nov 14, 2026

Buy at Kentucky Gun Co

Compare 7 stores

Specifications

Manufacturer: ATI

Compatibility

Platform: AR-10

Materials and features

Color: Black

Where to buy

Store	Price	Availability	Buy
Kentucky Gun Co Best price	$6.21checked Nov 14, 2026	In stock	Buy at Kentucky Gun Co
OpticsPlanet	$9.99Salechecked Nov 14, 2026	In stock	Buy at OpticsPlanet
GunMag Warehouse	$10.99checked Nov 14, 2026	In stock	Buy at GunMag Warehouse
Ammunition Depot	$15.99checked Nov 14, 2026	In stock	Buy at Ammunition Depot
Battlehawk Armory	$6.40Salechecked Nov 14, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$6.69checked Nov 14, 2026	Check store	Buy at Palmetto State Armory
GrabAGun	$8.29Salechecked Nov 14, 2026	Check store	Buy at GrabAGun

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

Show

Lowest in-stock price in the last 30 days: $6.21 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	$15.99	$9.49	$15.99
Battlehawk Armory	$6.40	$6.40	$6.65
GrabAGun	$8.29	$8.29	$8.29
GunMag Warehouse	$10.99	$10.99	$10.99
Kentucky Gun Co	$6.21	$6.21	$6.30
OpticsPlanet	$9.99	$9.99	$9.99
Palmetto State Armory	$6.69	$6.69	$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 7 stores (4 in stock), from $6.21 to $15.99. The lowest in-stock price in the last 30 days was $6.21 at Kentucky Gun Co.