Copper Rose Non Lead Projectile-.257/25CAL (122 grain)
Proudly Made in the USA
US Patent Pending 17/549,346
Non Lead/ Lead Free
.257/25CAL
Recommended Twist Rate 1:7
Grain Weight: 122
Estimated Ballistic Coefficient: TBD .650G1? Ballistic Coefficient is tested inside of effective hunting ranges.Projectile Length: 1.575 Ballistic Coefficient based on Swarovski and Zeiss programs. BC is tested inside of effective hunting ranges.
Minimum Expansion Velocity: Magazine Feed 2200FPS Single Feed 1850 FPS Tested using our listed BC
We recommend keeping impact velocity above 2000FPSs on all single feed projectiles for maximum terminal effect.
RECOMMENDED POWDERS
25CM, STABALL 6.5, H4350
Magazine Feed: These are the same profile as our single feed bullets with no point of impact shift. This line of bullets is able to withstand magazine impact to tip due to recoil. They have a slightly reduced range than single feed bullets.
Proudly Made in the USA
US Patent Pending 17/549,346
Non Lead/ Lead Free
.257/25CAL
Recommended Twist Rate 1:7
Grain Weight: 122
Estimated Ballistic Coefficient: TBD .650G1? Ballistic Coefficient is tested inside of effective hunting ranges.Projectile Length: 1.575 Ballistic Coefficient based on Swarovski and Zeiss programs. BC is tested inside of effective hunting ranges.
Minimum Expansion Velocity: Magazine Feed 2200FPS Single Feed 1850 FPS Tested using our listed BC
We recommend keeping impact velocity above 2000FPSs on all single feed projectiles for maximum terminal effect.
RECOMMENDED POWDERS
25CM, STABALL 6.5, H4350
Magazine Feed: These are the same profile as our single feed bullets with no point of impact shift. This line of bullets is able to withstand magazine impact to tip due to recoil. They have a slightly reduced range than single feed bullets.