Strike Industries TRIBUS Enhanced Castle Nut and Ext End Plate for AR-15 Rifle, FDE
$59.95 at Ammunition Depot · 11 stores
In stock
Strike Industries AR Enhanced Castle Nut /Extended End Plate Red
Strike Industries · Buffer Tubes & Springs
No ratings yetBest price
$59.95at Ammunition Depot
In stock checked Nov 10, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Ammunition Depot Best price | $59.95checked Nov 10, 2026 | In stock | Buy at Ammunition Depot | |
| MidwayUSA | $59.95checked Nov 10, 2026 | In stock | Buy at MidwayUSA | |
| Kentucky Gun Co | $59.95checked Nov 10, 2026 | In stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $63.99Salechecked Nov 10, 2026 | In stock | Buy at OpticsPlanet | |
| AR15Discounts | $59.95checked Nov 10, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $59.95checked Nov 10, 2026 | Check store | Buy at Dirty Bird | |
| Palmetto State Armory | $59.95checked 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: $59.95 at Ammunition Depot. Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $59.95 | $59.95 | $59.95 |
| Ammunition Depot | $59.95 | $59.95 | $59.95 |
| Dirty Bird | $59.95 | $59.95 | $59.95 |
| Kentucky Gun Co | $59.95 | $59.95 | $59.95 |
| MidwayUSA | $59.95 | $59.95 | $59.95 |
| OpticsPlanet | $63.99 | $60.00 | $63.99 |
| Palmetto State Armory | $59.95 | $59.95 | $59.95 |
Since Oct 28, 2026.
About this part
The Strike Industries AR Enhanced Castle Nut /Extended End Plate Red is an AR-15 buffer part from Strike Industries. It's sold by 7 stores (4 in stock), from $59.95 to $63.99. The lowest in-stock price in the last 30 days was $59.95 at Ammunition Depot.
Specifications
- Manufacturer
- Strike Industries
- Platform
- AR-15
- Material
- Steel
From the manufacturer
Strike Industries AR Enhanced Castle Nut /Extended End Plate Red 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-RED: AR Enhanced Castle Nut and Extended End Plate Red One Size
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