.20 Practical
.223 brass necked down to .20 cal. Flat, fast and easy on barrels; a favorite prairie dog and coyote round. Forming brass is a single neck-sizing pass.
Good for: Varmint
A typical factory load is a 39 gr Sierra BlitzKing bullet at about 3,500 ft/s, with roughly 1,061 ft-lbs of energy at the muzzle.
Typical load
39 grSierra BlitzKingMuzzle speed
3,500 ft/sMuzzle energy
1,061 ft-lbsTypical BC (G1)
0.287maker's published G1Twist rate
1:91:8 for 40+ grPractical range
350–400 yd varmintPoint-blank range
277 yd4" vital zoneRecommended platform
Any rifle, ultralights includedVery light recoilOn the Wildcats chart
Made for
.223 brass necked down to .20 cal. Flat, fast and easy on barrels; a favorite prairie dog and coyote round. Forming brass is a single neck-sizing pass.
Typical load
39 grSierra BlitzKing
Typical muzzle fps
3,500ft/s
Typical muzzle energy
1,061ft-lbs
Typical BC (G1)
0.287maker's published G1
Twist rate for typical load
1:91:8 for 40+ gr
Practical range
350–400 yd varmint
MPBR
277 yd4" vital zone · Near zero 36 yd · Far zero 239 yd · Min PBR 0 yd · Max PBR 277 yd · Sight-in @100 1.68" high
Recommended platform
Any rifle, ultralights includedVery light recoil
Open the full Wildcats chart →
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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.