Federal Subsonic – .45-70 Govt, 300 gr Fusion Soft Point, 20rd (F4570FS1SUB)

Federal Subsonic is built to stay just under the sound barrier so a suppressor can do its job without fighting a sonic crack. This load is .45-70 Government, 300-grain Fusion Soft Point, listed at 1,000 fps for big-game hunting through a can. Federal part number F4570FS1SUB, UPC 604544708523. This listing is for the 20-round box of Federal Subsonic .45-70 300 gr Fusion Soft Point only.

Suppressor-Optimized Hunting Load

Federal loads this Fusion Soft Point to subsonic velocity — just below the speed of sound — and modifies the bullet for expansion and penetration at those lower speeds. The result is dramatically reduced felt recoil compared with standard-velocity .45-70 hunting ammo, with terminal performance aimed at big game.

Published Ballistics

• Muzzle velocity: 1,000 fps
• Muzzle energy: 666 ft-lb
• Ballistic coefficient: .290
• Bullet length: 0.810"

Federal Subsonic .45-70 Specifications

Frequently Asked Questions

Is this really subsonic?
Yes. Federal lists 1,000 fps muzzle velocity — just below the speed of sound — specifically for suppressor use.

What bullet is used?
A 300-grain Fusion Soft Point modified for expansion at subsonic velocities.

How many rounds per box?
20 rounds.