Gamo Whisper CFR 4.5mm Air Rifle allows you to hunt pests without making to much noise. The SAT (Smooth Action Trigger) gives greater control over your shot and increased accuracy. The TruGlo optics ensure that you can use this rifle in any shooting conditions. This Whisper is offered as a under lever fixed barrel rifle that is permanently fixed to the receiver body reducing long term wear and tear from cocking movements.