Tapco Castle Nut Black

Name: Tapco Castle Nut Black
Brand: Tapco

Tapco · Buffer Tubes & Springs

No ratings yet

Best price

$5.00at Classic Firearms

checked Nov 3, 2026

Buy at Classic Firearms

Compare 2 stores

Where to buy

Store	Price	Availability	Buy	Add to build
Classic Firearms Best price	$5.00checked Nov 3, 2026	Check store	Buy at Classic Firearms
OpticsPlanet	$11.69Salechecked Nov 3, 2026	Out of stock	Buy at OpticsPlanet

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

Dashed line = out of stock. Tracking since Oct 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Classic Firearms	$5.00	$5.00	$5.00
OpticsPlanet	$11.69	$11.69	$11.69

Since Oct 28, 2026.

About this part

The Tapco Castle Nut Black is a buffer part from Tapco. It's sold by 2 stores, from $5.00 to $11.69.

Specifications

Manufacturer: Tapco
Material: Steel

From the manufacturer

Tapco Castle Nut Black. Precision-engineered to Mil-Spec standards this castle nut ensures a secure and reliable fit keeping your buffer tube assembly firmly in place during operation. Specifications for Tapco Castle Nut: Manufacturer: Tapco Color: Black Fabric/Material: Steel Size: One Size Finish: Anodized Package Contents: Tapco Castle Nut Tapco TAP22060: Castle Nut Black