Altaros ATP 6.45mm .254 – Precision .25 Slugs for Huben
Performance
The Altaros ATP 6.45mm (.254) slugs are engineered for
shooters who demand maximum accuracy from their .25 calibre airguns.
Manufactured using advanced CNC turning technology, these projectiles deliver
exceptional uniformity, making them ideal for high-performance platforms such
as the Huben K1.
Built for precision shooting at extended distances, they
offer a combination of consistency, stability, and aerodynamic efficiency.
CNC Turned for Superior Consistency
Unlike traditional swaged pellets, these slugs are machined
using precision CNC processes:
- Near-zero
weight variation between slugs
- Perfect
axial symmetry for stable flight
- Consistent
dimensions for improved grouping
This results in highly repeatable shot performance and
tighter groupings.
Optimised for Huben K1 Platforms
These slugs are specifically designed for:
- Huben
K1 air rifle
- Other
compatible .25 calibre barrels with correct bore size
The 6.45mm (.254) diameter ensures a precise fit in
Huben barrels, improving efficiency and accuracy.
High Ballistic Coefficient for Long Range
- Ballistic
coefficient approx. 0.17 (G1)
- Excellent
energy retention over distance
- Stable
trajectory at higher velocities
This makes them well suited to medium and long-range airgun
shooting.
Precision Weight & Dimensions
- Weight:
approx. 50 grain (3.24g)
- Length:
approx. 10.8mm
- Quantity:
100 slugs per pack
These specs strike a balance between velocity, stability,
and retained energy.
Designed for Accuracy & Efficiency
Key design features include:
- Longer
profile for improved barrel guidance
- Grooved
design to reduce friction during firing
- Consistent
muzzle velocity thanks to tight tolerances
Together, these features enhance both accuracy and shooting
efficiency.
Protective Packaging for Perfect Condition
Each slug is individually secured in protective packaging:
- Foam-seated
design prevents deformation
- Vacuum-packed
to maintain shape during transport
- Ensures
every slug performs as intended
This level of protection helps maintain consistency from
first shot to last.
Recommended Performance Setup
- Optimal
velocity: ~280 m/s (900 fps)
- Maximum
velocity: ~295 m/s (980 fps)
Operating within this range ensures best accuracy and
consistency.
Key Features
- CNC
turned .25 calibre lead slugs
- Precision
6.45mm (.254) diameter
- Approx.
50 grain weight
- High
ballistic coefficient for long-range shooting
- Designed
for Huben K1 platforms
- Extremely
consistent weight and shape
- Supplied
in packs of 100
- Protective
packaging for maximum integrity
Frequently Asked Questions (FAQ)
1. What makes these slugs different from standard
pellets?
They are CNC machined, giving higher consistency and
better accuracy than traditional pellets.
2. Are these only for Huben rifles?
They are optimised for Huben barrels but may work in other
.25 rifles with suitable bore dimensions.
3. What is the benefit of the 6.45mm size?
It provides a tighter fit in certain barrels, improving
seal, efficiency, and accuracy.
4. What range are these best for?
They perform best at medium to long distances, thanks
to their ballistic profile.
5. How many slugs are included?
Each pack contains approximately 100 slugs.
6. Do they require special handling?
No, but they are packaged carefully to maintain shape and
should be handled accordingly.
7. What velocity should I use?
Around 280 m/s (900 fps) is recommended for optimal
performance.
8. Who are these best suited for?
They are ideal for precision airgun shooters using .25
calibre platforms, especially Huben users.
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