Quick Answer
For long-range shooting with the .280 Ackley Improved, an ideal scope would be a high-magnification, first-focal-plane (FFP) rifle scope with a 5-25x or 7-35x magnification range, and a 30mm or 34mm tube diameter to accommodate the larger objective lenses. This setup will provide the necessary resolution and clarity for precise shots at extended ranges.
Scope Requirements
When selecting a scope for long-range shooting with the .280 AI, it’s essential to consider a few key factors. First, the scope should have a high magnification range, ideally between 5-25x or 7-35x, to allow for precise targeting at extended ranges. A first-focal-plane (FFP) reticle is also crucial, as it will allow the shooter to use the reticle for holdovers and windage calculations at any magnification.
Objective Lens Size and Tube Diameter
A larger objective lens size will allow more light into the scope, resulting in a brighter image and improved low-light performance. For long-range shooting, a 42mm or 56mm objective lens is recommended. Additionally, a 30mm or 34mm tube diameter is necessary to accommodate the larger objective lenses and provide sufficient optical quality.
Reticle and Turret Options
A good long-range scope should have a reticle that is designed for precision shooting. A Mil-dot or MOA-based reticle with a fine, dense pattern will provide the necessary accuracy for precise shots. The turret should also be designed for precise adjustments, with a 1/4 MOA or 1/8 MOA click value for fine-tuning. Some scopes also feature a zero-stop or adjustable parallax feature, which can be beneficial for long-range shooting.
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