Ratchet Rachet Castle Nut QD End Plate Set

Name: Ratchet Rachet Castle Nut QD End Plate Set
Brand: Primary Weapons Systems

Primary Weapons Systems · Buffer Tubes & Springs

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Best price

$39.95at Battlehawk Armory

Sale checked Oct 1, 2026

Buy at Battlehawk Armory

Compare 4 stores

Where to buy

Store	Price	Availability	Buy
Battlehawk Armory Best price	$39.95Salechecked Oct 1, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$39.99checked Oct 1, 2026	Check store	Buy at Palmetto State Armory
Brownells	$39.95checked Oct 1, 2026	Out of stock	Buy at Brownells
OpticsPlanet	$41.49Salechecked Oct 1, 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

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Lowest in-stock price in the last 30 days: $41.49 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Battlehawk Armory	$39.95	$39.95	$39.95
Brownells	$39.95	$39.95	$39.95
OpticsPlanet	$41.49	$41.49	$41.49
Palmetto State Armory	$39.99	$39.99	$39.99

Since Sep 28, 2026.

About this part

The Ratchet Rachet Castle Nut QD End Plate Set is an AR-15 buffer part from Primary Weapons Systems. It's sold by 4 stores, from $39.95 to $41.49. The lowest in-stock price in the last 30 days was $41.49 at OpticsPlanet.

Specifications

Manufacturer: Primary Weapons Systems
Platform: AR-15

From the manufacturer

The Primary Weapons Systems Ratchet Lock Castle Nut End Plate set works with mil-spec or commercial buffer tubes and is an alternative to staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy installation with any buffer tube. Mfg: Primary Weapons