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.


Click to see full view
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.
Log in to set a price alert on this product.
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 | $7199.62 |
![]() | 29 | $3986.88 |
![]() | 22 | $2400.06 |
![]() | 31 | $2884.41 |
![]() | 18 | $1315.54 |
![]() | 32 | $2267.60 |
![]() | 26 | $3038.62 |
![]() | 24 | $2241.66 |
![]() | 24 | $3501.37 |
![]() | 30 | $4629.95 |
![]() | 20 | $1232.86 |
![]() | 22 | $1230.46 |
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