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Strike Industries AR Enhanced Castle Nut /Extended End Plate Black

Strike Industries AR Enhanced Castle Nut /Extended End Plate Black

Strike Industries · Buffer Tubes & Springs

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Best price

$54.99at GunMag Warehouse

In stock checked Nov 10, 2026

Compare 11 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
GunMag Warehouse Best price $54.99checked Nov 10, 2026 In stock Buy at GunMag Warehouse
OpticsPlanet $57.95Salechecked Nov 10, 2026 In stock Buy at OpticsPlanet
Brownells $57.95checked Nov 10, 2026 In stock Buy at Brownells
MidwayUSA $57.95checked Nov 10, 2026 In stock Buy at MidwayUSA
Kentucky Gun Co $57.95checked Nov 10, 2026 In stock Buy at Kentucky Gun Co
Sportsman's Warehouse $57.99checked Nov 10, 2026 In stock Buy at Sportsman's Warehouse
Ammunition Depot $60.99checked Nov 10, 2026 In stock Buy at Ammunition Depot
AR15Discounts $57.95checked Nov 10, 2026 Check store Buy at AR15Discounts
Dirty Bird $57.95checked Nov 10, 2026 Check store Buy at Dirty Bird
Battlehawk Armory $57.95Salechecked Nov 10, 2026 Check store Buy at Battlehawk Armory
Palmetto State Armory $64.99checked Nov 10, 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

Lowest in-stock price in the last 30 days: $54.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Oct 28, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$57.95$57.95$57.95
Ammunition Depot$60.99$60.99$62.49
Battlehawk Armory$57.95$57.95$57.95
Brownells$57.95$57.95$57.95
Dirty Bird$57.95$57.95$57.95
GunMag Warehouse$54.99$54.99$54.99
Kentucky Gun Co$57.95$57.95$57.95
MidwayUSA$57.95$57.95$57.95
OpticsPlanet$57.95$57.95$57.95
Palmetto State Armory$64.99$64.99$64.99
Sportsman's Warehouse$57.99$57.99$57.99

Since Oct 28, 2026.

About this part

The Strike Industries AR Enhanced Castle Nut /Extended End Plate Black is an AR-15 buffer part from Strike Industries. It's sold by 11 stores (7 in stock), from $54.99 to $64.99. The lowest in-stock price in the last 30 days was $54.99 at GunMag Warehouse.

Specifications

Manufacturer
Strike Industries
Platform
AR-15
Material
Steel

From the manufacturer

Strike Industries AR Enhanced Castle Nut /Extended End Plate Black One Size. These AR15 Lower Parts by Strike Industries feature a steel castle nut that has been lengthened to match the extended end plate to provide additional support of the receiver extension's threaded area. The extended end plate of the Strike Industries Caste Nut and End Plate Combo includes a quick-detach sling swivel mount that is pushed back and away from the webbing of your primary hand to allow firearm manipulation in tight spaces. Easily drop in and install this Strike Industries Quick-Detach Castle Nut and End Plate on your AR platform rifle Specifications for Strike Industries AR Enhanced Castle Nut /Extended End Plate: Manufacturer: Strike Industries Condition: New Quantity: 1 Gun Make: AR Platform Features of Strike Industries AR Enhanced Castle Nut /Extended End Plate Aesthetic upgrade Centrally placed QD for right or left hand sling use Easy drop in installation Simplified installation of takedown pin and detent via set screw. Compared to a standard castle nut and end plate the fully collapsed position with most stocks is eliminated in order to create proper clearance for the QD socket. Package Contents: Strike Industries AR Enhanced Castle Nut /Extended End Plate 1X Enhanced Castle Nut 1X Enhanced End Plate 1X Warning Card Strike Industries SI-AR-ECN&EEP-BK: AR Enhanced Castle Nut and Extended End Plate Black One Size

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$54.99 at GunMag Warehouse
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