Fortis K2 Enhanced AR15 End Plate, Black
Fortis Manufacturing's lightweight K2 castle nut and end plate system eliminates backing out with dual lockdown engineering. Weighs just 0.59 oz.
Fits: AR15
Fortis K2 Enhanced Castle Nut & End Plate System
Fortis Manufacturing engineered the K2 Enhanced system to solve one of the most persistent problems in AR15 maintenance: the castle nut backing out during use. This innovative solution combines precision engineering with practical design.
Key Features
Dual Lockdown Technology
- Two distinct systems (K1 and K2) provide redundant security
- Tapered castle nut design seals itself onto the end plate
- Ultra-precision fit eliminates the need for staking
No Compromise Design
- No ratcheting required during installation
- No set screws to manage
- No backing out under recoil
- No field failures
Lightweight Construction
- Weighs only 0.59 oz (16.8 grams)
- Black anodized finish for durability and corrosion resistance
- Maintains the minimalist ethos of modern AR15 builds
Why It Matters
The castle nut is a critical component that holds the buffer tube in place. A loose castle nut can lead to reliability issues and safety concerns. Fortis's precision-engineered fit means your end plate assembly stays secure without additional hardware or maintenance tricks. This is engineering that works.
Features
- lightweight design at only .55 oz / 16.8 grams total
- castle nut and end plate are 7075 t6 aircraft grade aluminum
- quick detach socket - 360º rotational locking interface
- no set screws or ratcheting system
- made in the usa
