LBE Unlimited Manganese Phosphate Coated AR-15 Castle Nut, Black

Name: LBE Unlimited Manganese Phosphate Coated AR-15 Castle Nut, Black
Brand: LBE
Availability: InStock

LBE · Buffer Tubes & Springs

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Best price

$6.47at Kentucky Gun Co

In stock checked Oct 24, 2026

Buy at Kentucky Gun Co

Compare 6 stores

Where to buy

Store	Price	Availability	Buy
Kentucky Gun Co Best price	$6.47checked Oct 24, 2026	In stock	Buy at Kentucky Gun Co
Ammunition Depot	$8.49checked Oct 24, 2026	In stock	Buy at Ammunition Depot
OpticsPlanet	$8.95Salechecked Oct 24, 2026	In stock	Buy at OpticsPlanet
GunMag Warehouse	$10.99checked Oct 24, 2026	In stock	Buy at GunMag Warehouse
Battlehawk Armory	$6.63Salechecked Oct 24, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$7.09checked Oct 24, 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: $5.29 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	$8.49	$8.49	$14.99
Battlehawk Armory	$6.63	$5.60	$6.63
GunMag Warehouse	$10.99	$10.99	$10.99
Kentucky Gun Co	$6.47	$5.29	$7.99
OpticsPlanet	$8.95	$8.95	$8.95
Palmetto State Armory	$7.09	$5.69	$7.09

Since Sep 28, 2026.

About this part

The LBE Unlimited Manganese Phosphate Coated AR-15 Castle Nut, Black is an AR-15 buffer part from LBE. It's sold by 6 stores (4 in stock), from $6.47 to $10.99. The lowest in-stock price in the last 30 days was $5.29 at Kentucky Gun Co.