Jim Taylor
WB mentioned 480 Achilles Load Data
Sunday, May 04, 2025, 15:30

[image]
Huffaker 290 gr. hollow-base heel bullet -Right is a fired and recovered bullet showing heel expanded

[image]
Left - original Bittern Bullet 290 gr. heel bullet
Right - Killebrew 290 gr. heel bullet with crimp groove

[image]
Huffaker Bullet

[image]
Killebrew Bullet

[image]
Original Bittner Bullet

[image]

[image]

[image]
Sika Doe taken with 480 Achilles using Bittner Bullet and 12 gr. 2400

480 Achilles Load Data
All loads use CCI Large Pistol Primers
All loads with the Bittner 480-290-FNH bullet (290 gr. heel bullet)
All fired from 7 ½” barrel
7 feet from muzzle to first screen
All velocities are averages

Black Powder
· 21.0 gr. FFg DuPont - 643 fps (these were VERY consistent)

WW 231
· 6.0 gr. 231 = 794 fps

Bullseye
· 5.0 gr. Bullseye = 717 fps
· 6.0 gr. Bullseye = 883 fps

700X
· 6.0 gr. 700X = 906 fps

Unique
· 6.1 gr. Unique = 798 fps
· 6.5 gr. Unique = 848 fps
· 7.0 gr. Unique = 911 fps

2400
· 12.0 gr. 2400 = 870 fps (accurate load)
· 12.5 gr. 2400 = 885 fps
· 13.0 gr. 2400 = 950 fps (accurate load)

WC820 (military surplus H110)
· 15.5 gr. WC820 = 883 fps
· 16.0 gr. WC820 = 955 fps


powered by my little forum