Gamo Whisper-X 4.5mm Air Rifle
R4,669
The Gamo Whisper-X Air Rifle offers a combination of full power, a new ergonomic design, lightweight and silencer. No gas required, simply bend the barrel down to cock the spring, place any shape of pellet or dart, close the barrel and pull the trigger.
At a glance
- Calibre
- 4.5 mm (.177)
- Action
- Single-shot break barrel
- Power system
- Spring powered
- Weight
- 3 kg
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The Gamo Whisper-X is a 4.5 mm single-shot break-barrel air rifle with a spring-powered action, integrated sound moderator, ambidextrous synthetic stock and adjustable open sights. A compatible telescopic sight can be fitted to the built-in scope rail; a scope is not included.
Verified specifications
| Calibre | 4.5 mm (.177) |
|---|---|
| Action | Single-shot break barrel |
| Power system | Spring powered |
| Weight | 3 kg |
| Length | 117 cm |
| Published velocity | 305 m/s (1,000 ft/s) |
| Sights | Open sights with adjustable rear sight |
| Barrel | Rifled, polymer-coated barrel with sound moderator |
| Scope included | No |
Who this configuration suits
Consider the Whisper-X when a conventional 4.5 mm break-barrel format, open sights and an integrated moderator suit the intended lawful target setup. Compare its length and weight before choosing.
Included items and compatibility
Use compatible 4.5 mm pellets only. Do not use darts or assume every pellet shape is suitable without the manufacturer instructions. A scope and mounts are separate purchases.
Availability and alternatives
The current price and availability are displayed above. Compare the Big Cat 1250 with included scope or the fixed-barrel CFX. Return to Gamo air rifles or use the buying guide.
Reviewed by the Gamo South Africa product team on 25 August 2026.
| Brand | Gamo Airguns |
|---|
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