Description
FB05 – Euro Rail Base for Fair Express Superimposed
Built for precision when it matters most.
The Contessa FB05 Euro Rail Base is engineered specifically for the Fair Express Superimposed, delivering a secure, repeatable mounting solution for optics on European rail systems.
When every shot counts, this base keeps your optic locked, aligned, and ready under pressure.
Built for Reliability Under Recoil
Express rifles demand absolute dependability.
The FB05 delivers:
- Rock-solid zero retention under heavy recoil
- Secure Euro rail engagement with no movement
- Consistent alignment for fast, accurate shooting
Designed for Fair Express Superimposed
No universal fit. No compromises.
- Exact fit for Fair Express Superimposed rifles
- Seamless integration with factory Euro rail systems
- No modification required
Low Profile. Faster Target Acquisition.
A bulky mount slows you down.
The FB05 maintains:
- Proper cheek weld
- Natural shooting position
- Faster sight alignment in high-pressure situations
Why Choose Contessa
- Precision machined in Italy
- Built for durability in demanding hunting environments
- Trusted by hunters using express rifles worldwide
Know Before You Buy
Is this compatible with Picatinny rails?
No. This is a Euro rail base only.
Will it hold zero under heavy recoil?
Yes. It is designed for high-caliber express rifles.
Do I need a gunsmith to install it?
No. It installs directly onto compatible Euro rail systems.
Final Word
If you’re running a Fair Express Superimposed, the FB05 gives you a mounting solution built for reliability and precision.
No movement. No compromise.
Secure your optic with the FB05 today.

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