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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 and stable mounting point for your stock, crafted from durable 6061-T6 aluminum with a hardcoat anodized finish for added resilience. This enhanced design ensures a tighter fit and improved retention, which is crucial for maintaining the integrity of your buffer system during operation. Builders often integrate this component into mid-length gas system builds chambered in 5.56 NATO, where reliability is paramount.
Strike Industries Tribus Enhanced AR-15 Castle Nut and End Plate - Flat Dark Earth
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Prices checked
Builders on GunPartPicker first added the Strike Industries Tribus Enhanced AR-15 Castle Nut and End Plate - Flat Dark Earth to a build in February 2026.
Today the one retailer we track has it in stock. Buying today, the lowest price is $59.95 at Primary Arms.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Builds in the community that include the Strike Industries Tribus Enhanced Ar-15 Castle Nut and End Plate - Flat Dark Earth
| Build | Parts | Total |
|---|---|---|
 | 30 | $7895.17 |
 | 22 | $1733.13 |
 | 27 | $2101.90 |
 | 22 | $1138.57 |
 | 26 | $2595.69 |
1 global rating
Top reviews
Strikes Tribus combo in FDE matches my Magpul MOE grip and stock nicely. The castle nut has the bigger wrench cutouts which are easier to torque properly. End plate sits flush against the receiver, no gap. Staking holes are positioned correctly for AR15 wrench access.
