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

Tacfire · Buffer Tubes & Springs

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

Best price

$2.52at Kentucky Gun Co

In stock Lowest in 30 dayschecked Nov 13, 2026

Buy at Kentucky Gun Co

Compare 9 stores

Specifications

Manufacturer
Tacfire
Type
Buffer Tube
Platform
AR-15

Where to buy

StorePriceAvailabilityBuyAdd to build
Kentucky Gun Co Best price $2.52checked Nov 13, 2026 In stock Buy at Kentucky Gun Co
GunMag Warehouse $4.99checked Nov 13, 2026 In stock Buy at GunMag Warehouse
Natchez $2.99checked Nov 12, 2026 Check store Buy at Natchez
Classic Firearms $3.43checked Nov 12, 2026 Check store Buy at Classic Firearms
Palmetto State Armory $3.59checked Oct 29, 2026 Check store Buy at Palmetto State Armory
GrabAGun $3.59checked Nov 12, 2026 Check store Buy at GrabAGun
Battlehawk Armory $3.85checked Oct 28, 2026 Check store Buy at Battlehawk Armory
Ammunition Depot $5.49checked Oct 30, 2026 Out of stock Buy at Ammunition Depot
OpticsPlanet $7.95Salechecked Nov 12, 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

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
StoreLatestLowestHighest
Ammunition Depot—$5.49$5.49
Battlehawk Armory—$3.85$3.85
Classic Firearms$3.43$3.43$3.43
GrabAGun$3.59$3.59$3.59
GunMag Warehouse$4.99$4.99$4.99
Kentucky Gun Co$2.52$2.52$2.52
Natchez$2.99$2.99$2.99
OpticsPlanet$7.95$5.99$7.95
Palmetto State Armory—$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 9 stores (2 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.

From the manufacturer

Tacfire Buffer Tube Castle Nut for AR-15 - Black, Essential for Assembly - MAR039

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$2.52 at Kentucky Gun Co
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