Strike Industries Multi-Function End Plate / Anti-Rotation Castle Nut Black

Name: Strike Industries Multi-Function End Plate / Anti-Rotation Castle Nut Black
Brand: Strike Industries
Availability: InStock

Strike Industries · Buffer Tubes & Springs

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Best price

$34.95at OpticsPlanet

In stock Sale checked Nov 10, 2026

Buy at OpticsPlanet

Compare 11 stores

Where to buy

Store	Price	Availability	Buy
OpticsPlanet Best price	$34.95Salechecked Nov 10, 2026	In stock	Buy at OpticsPlanet
MidwayUSA	$34.95checked Nov 10, 2026	In stock	Buy at MidwayUSA
Kentucky Gun Co	$34.95checked Nov 10, 2026	In stock	Buy at Kentucky Gun Co
GunMag Warehouse	$34.99checked Nov 10, 2026	In stock	Buy at GunMag Warehouse
Ammunition Depot	$36.99checked Nov 10, 2026	In stock	Buy at Ammunition Depot
Sportsman's Warehouse	$43.95checked Nov 10, 2026	In stock	Buy at Sportsman's Warehouse
AR15Discounts	$34.95checked Nov 10, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$34.95checked Nov 10, 2026	Check store	Buy at Dirty Bird
Battlehawk Armory	$34.95Salechecked Nov 10, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$34.99checked Nov 10, 2026	Check store	Buy at Palmetto State Armory
Brownells	$34.95checked Nov 10, 2026	Out of stock	Buy at Brownells

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: $34.95 at Ammunition Depot. Dashed line = out of stock. Tracking since Oct 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$34.95	$29.71	$34.95
Ammunition Depot	$36.99	$34.95	$38.49
Battlehawk Armory	$34.95	$34.95	$34.95
Brownells	$34.95	$34.95	$34.95
Dirty Bird	$34.95	$34.95	$34.95
GunMag Warehouse	$34.99	$34.99	$34.99
Kentucky Gun Co	$34.95	$34.95	$34.95
MidwayUSA	$34.95	$34.95	$34.95
OpticsPlanet	$34.95	$34.95	$34.95
Palmetto State Armory	$34.99	$34.99	$34.99
Sportsman's Warehouse	$43.95	$43.95	$43.95

Since Oct 28, 2026.

About this part

The Strike Industries Multi-Function End Plate / Anti-Rotation Castle Nut Black is an AR-15 buffer part from Strike Industries. It's sold by 11 stores (6 in stock), from $34.95 to $43.95. The lowest in-stock price in the last 30 days was $34.95 at Ammunition Depot.

Specifications

Manufacturer: Strike Industries
Platform: AR-15

From the manufacturer

Strike Industries Multi-Function End Plate / Anti-Rotation Castle Nut Black One Size. These AR15 Lower Parts by Strike Industries provide anti-rotate QD sockets or sling loops specifically designed to work together by setting a screw to secure the endplate to the castle nut allowing for multiple uses as you upgrade or update your build. The Strike Industries Endplate System is reversible with three integrated sling mounting options for a variety of carry options. Don't just replace your old system upgrade it with the Strike Industries QD End Plate and Castle Nut. Specifications for Strike Industries Multi-Function End Plate / Anti-Rotation Castle Nut: Manufacturer: Strike Industries Color: Black Condition: New Features of Strike Industries Multi-Function End Plate / Anti-Rotation Castle Nut Set screw to retain takedown pin and detent for ease of installation No peening or staking needed with the Anti-Rotation Castle Nut/End Plate design Anti-rotate QD socket Multiple sling attachment points Package Contents: Strike Industries Multi-Function End Plate / Anti-Rotation Castle Nut 1X Multi Function Endplate 1X Antirotation Castle Nut 1X Detent Set Screw (1.5Mm Hex Not Included) 1X Antirotation Set Screw (1.5Mm Hex Not Included) 1X Warning Card Strike Industries SI-AR-MFEP&ACN: Multi-Function End Plate w/ Anti-Rotation Castle Nut Black One Size