Hunters Supply Air 257 Caliber 71 grain BTFP
- Diameter .256
- Over All Length .600
- Ballistic Coefficient .140
- Sectional Density .154
- Application; Varmint, Target/Match
- Custom diameter available.
Tested with Power tuned 257 Texan Rifle, LSS 1212 velocity, 232 bullet kinetic energy (ft.lbf) 300 Bar = 4351 PSI fill.
Our test Air Rifle did best with .256 diamter but offer others at no additioanl cost.
Made in USA.
