Tacfire Buffer Tube Castle Nut for AR-15 - Black, Essential for Assembly

Name: Tacfire Buffer Tube Castle Nut for AR-15 - Black, Essential for Assembly
Brand: Tacfire
Availability: InStock

Tacfire · Buffer Tubes & Springs

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Best price

$2.52at Kentucky Gun Co

In stock checked Oct 23, 2026

Buy at Kentucky Gun Co

Compare 6 stores

Where to buy

Store	Price	Availability	Buy
Kentucky Gun Co Best price	$2.52checked Oct 23, 2026	In stock	Buy at Kentucky Gun Co
GunMag Warehouse	$4.99checked Oct 23, 2026	In stock	Buy at GunMag Warehouse
Ammunition Depot	$5.49checked Oct 24, 2026	In stock	Buy at Ammunition Depot
OpticsPlanet	$7.95Salechecked Oct 23, 2026	In stock	Buy at OpticsPlanet
Palmetto State Armory	$3.59checked Oct 24, 2026	Check store	Buy at Palmetto State Armory
Battlehawk Armory	$3.85checked Oct 23, 2026	Check store	Buy at Battlehawk 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: $2.52 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	$5.49	$5.49	$5.49
Battlehawk Armory	$3.85	$3.85	$3.85
GunMag Warehouse	$4.99	$4.99	$4.99
Kentucky Gun Co	$2.52	$2.52	$2.52
OpticsPlanet	$7.95	$7.95	$7.95
Palmetto State Armory	$3.59	$3.59	$3.59

Since Sep 28, 2026.

About this part

The Tacfire Buffer Tube Castle Nut for AR-15 - Black, Essential for Assembly is an AR-15 buffer part from Tacfire. It's sold by 6 stores (4 in stock), from $2.52 to $7.95. The lowest in-stock price in the last 30 days was $2.52 at Kentucky Gun Co.