Strike Industries

Strike Industries Tribus Enhanced AR-15 Castle Nut and End Plate - Black

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Strike Industries Tribus Enhanced Ar-15 Castle Nut and End Plate - Black - Castle Nut - view 1
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Strike Industries

Overview

The Strike Industries Tribus Enhanced AR-15 Castle Nut and End Plate is designed to provide a secure attachment point for your buffer tube assembly while enhancing the overall stability of your rifle. Made from durable 6061-T6 aluminum and featuring a hardcoat anodized finish, this castle nut and end plate combination ensures longevity and resistance to wear. This product is commonly found in builds utilizing a mid-length gas system and chambered in 5.56 NATO, making it a popular choice among builders aiming for reliable performance and ease of installation.

Specifications

TypeEnhanced
Material6061-T6 Aluminum
FinishHardcoat Anodized
ColorBlack

Available Merchants(1)

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$57.95
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Build history on GunPartPicker

Builders on GunPartPicker first added the Strike Industries Tribus Enhanced AR-15 Castle Nut and End Plate - Black to a build in February 2026.

Today the one retailer we track has it in stock. Buying today, the lowest price is $57.95 at Primary Arms.

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Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Builds Featuring This Part

See all 14 →

Builds in the community that include the Strike Industries Tribus Enhanced Ar-15 Castle Nut and End Plate - Black

BuildPartsTotal
home defense 10.5" 5.56 build
home defense 10.5" 5.56		29$2676.20
16" Aero Precision SBR build
16" Aero Precision SBR		21$1879.01
Truck gun 16" 5.56 build
Truck gun 16" 5.56		18$1529.59
Aero Precision 18" build
Aero Precision 18"		24$6535.30
Wilson Combat 16" 5.56 build
Wilson Combat 16" 5.56		23$1910.47
yankee hill machine 16" 5.56 build
yankee hill machine 16" 5.56		22$1826.98
DMR 14.5" build
DMR 14.5"		33$3006.65
Range 20" 5.56 build
Range 20" 5.56		21$1222.55
10.5" 5.56 build
10.5" 5.56		17$1043.80
Carbine 14.5" 5.56 build
Carbine 14.5" 5.56		33$3006.65
as my EDC rifle 16" build
as my EDC rifle 16"		26$2870.41
for night work 14.5" build
for night work 14.5"		21$1591.74

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