Strike Industries Tribus enhanced castle nut and end plate in FDE matches my Magpul FDE parts well. Larger wrench notches torque easier than mil-spec castle nuts. End plate has integrated QD recessed into the body for a clean profile.


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Strike Industries
Overview
The Strike Industries TRIBUS Enhanced Castle Nut and Extended End Plate is designed to provide a more secure and stable attachment point for your stock, thanks to its enhanced design. Crafted from 7075-T6 aluminum, this component ensures durability while maintaining a lightweight profile, which is important for overall build efficiency. This part is commonly found in builds utilizing a mid-length gas system chambered in 5.56 NATO, making it a reliable choice for those configurations.
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Builds in the community that include the Strike Industries TRIBUS Enhanced Castle Nut and Ext End Plate for AR-15 Rifle, FDE
| Build | Parts | Total |
|---|---|---|
![]() | 32 | $7263.06 |
![]() | 29 | $3806.33 |
![]() | 22 | $2356.06 |
![]() | 31 | $3015.17 |
![]() | 18 | $1322.45 |
![]() | 32 | $2272.18 |
![]() | 26 | $3106.01 |
![]() | 24 | $1705.67 |
![]() | 24 | $3643.52 |
![]() | 30 | $4712.65 |
![]() | 20 | $1287.81 |
![]() | 22 | $1121.14 |
2 global ratings
Strike Industries Tribus enhanced castle nut and end plate in FDE matches my Magpul FDE parts well. Larger wrench notches torque easier than mil-spec castle nuts. End plate has integrated QD recessed into the body for a clean profile.
extended end plate doubles as a QD socket on both sides which is great for ambi sling users. castle nut has SI cuts that fit their armorers wrench but a standard works too. FDE is a brighter tan than magpul