A
AT3_arno complaints
Reviewed on March 23, 2026Verified Purchase
couldnt be happier
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Fortis Light Weight K1 Castle Nut and End Plate Black, Gray - LEBLKK1GRY
Fortis Manufacturing
Overview
The Fortis Light Weight K1 Castle Nut and End Plate is designed from 7075-T6 aluminum and features a hardcoat anodized finish for added durability. This enhanced type castle nut and end plate set provides a secure attachment point for the buffer tube, ensuring stability during operation and minimizing slippage. You'll often find this product in builds utilizing a mid-length gas system chambered in 5.56 NATO, making it a practical choice for those configurations.
Specifications
MPNLEBLKK1GRY
TypeEnhanced
ColorBlack
FinishHardcoat Anodized
Material7075-T6 Aluminum
Fortis Light Weight K1 Castle Nut and End Plate Black, Gray - LEBLKK1GRY
Available Merchants(3)
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Builds Featuring This Part
See all 10 →Builds in the community that include the Fortis Light Weight K1 Castle Nut and End Plate Black, Gray - LEBLKK1GRY
| Build | Parts | Total |
|---|---|---|
 | 18 | $1121.56 |
 | 21 | $2965.17 |
 | 24 | $3657.46 |
 | 35 | $3317.81 |
 | 29 | $4822.88 |
 | 18 | $2311.54 |
 | 16 | $1249.36 |
 | 20 | $1474.24 |
 | 27 | $2115.49 |
 | 22 | $1557.53 |
Customer reviews
4.5out of 5
2 global ratings
Top reviews
G
Gwhh1556solid but a few notes
Reviewed on March 7, 2026
no real complaints. wanted a more aggressive texture
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