.22-250 Ackley Improved
Blown-out .22-250 with a sharp 40° shoulder for about 100 fps more and longer brass life. Fires factory .22-250 ammo in a pinch.
Good for: Varmint, Ackley Improved
A typical factory load is a 55 gr V-Max bullet at about 3,800 ft/s, with roughly 1,763 ft-lbs of energy at the muzzle.
Typical load
55 grV-MaxMuzzle speed
3,800 ft/sMuzzle energy
1,763 ft-lbsTypical BC (G1)
0.255maker's published G1Twist rate
1:141:8 for 70+ grPractical range
400–450 yd varmintPoint-blank range
292 yd4" vital zoneRecommended platform
Any rifle, ultralights includedVery light recoilOn the Wildcats chart
Made for
Blown-out .22-250 with a sharp 40° shoulder for about 100 fps more and longer brass life. Fires factory .22-250 ammo in a pinch.
Typical load
55 grV-Max
Typical muzzle fps
3,800ft/s
Typical muzzle energy
1,763ft-lbs
Typical BC (G1)
0.255maker's published G1
Twist rate for typical load
1:141:8 for 70+ gr
Practical range
400–450 yd varmint
MPBR
292 yd4" vital zone · Near zero 39 yd · Far zero 252 yd · Min PBR 0 yd · Max PBR 292 yd · Sight-in @100 1.58" high
Recommended platform
Any rifle, ultralights includedVery light recoil
Open the full Wildcats chart →
Similar cartridges
Browse more
Speed, energy and BC are typical figures for the listed load; real numbers vary by brand, lot and barrel length. Always check the ammo maker's data for your exact load.