Weatherby M280A139HCB Select Plus 280 Ackley Improved, 139 Gr, 20 Per Box/ 10 Cs
The 280 Ai Set Out To Improve The .280 Rem By steeping The Shoulder To 40 degrees To Increase Powder Capacity. Weatherby Is Known For Ballistics And Velocity.
Caliber: 280 Ackley Improved
Bullet Weight: 139 Gr
Muzzle Energy: 2871 ft Lbs
Muzzle Velocity: 3050 Fps
Rounds Per Box: 20
Boxes Per Case: 10
Manufacturer: Weatherby
Mfg Number: M280A139HCB
Model: Select Plus
| Specification |
|
Value |
| Caliber |
|
280 Rem Ackley Improved |
| Weight |
|
139 Grain |
| Bullet Type |
|
Hollow Point |
| |
|
|
| MFG NO |
|
M280A139HCB |
| SKU |
|
6233314 |
| UPC |
|
747115452675 |
The Below Information Has Been Provided From Our Gun Caliber Dictionary And Is Meant For Informational Purposes Only. It Is Not Intended to Describe The Unique Specifications For This Ammunition.
The 280 Remington Ackley Improved (280 AI) is an "improved" or blown-out verions of the 280 Remington, meaning the chamber is enlarged so that cane body taper is remove, increasing powder capacity and thus increasing velocity. Just one of dozens of wildcat cartridges developed by Parker O. Acklely during his long career, it has progressed into factory chamberings. With its staight case and sharper shoulder the unbelted 280 AI is capable of velocity very close to the 7mm Remington Magnum, but retains the smaller case (and thus magazine capacity) of the 280 Remington. Like most "improved" cartridges it is safe to fire 280 Remington cartridges in a 280 AI chamber; there is some loss of velocity due to case expansion, but this is the normal process by which 280 AI cases are fire-formed for reloading. —
Craig Boddington
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