Cartridge
Bullet
Powder
Charge
Velocity
Notes
.458 Devastator
300 grain FP
AA #9
26.0
1,595
1.5" @ 25 yards
.458 Devastator
300 grain FP
H110
34.0
1,730
Most accurate - max
.458 Devastator
333 gr cast GC
H110
32.5
1,700
2nd most accurate
.458 Devastator
350 Hornady RN
H110
30.5
1,625
Absolute max
Cartridge
Bullet
Powder
Charge
Velocity
Notes
.458 Devastator
350 gr PB
HS-6
18.0
1,254
Excellent mid-level
.458 Devastator
350 gr PB
H110
30.5
1,690
Stiff recoil
.458 Devastator
350 gr PB
AA1680
32.0
1,587
1-1/2" @ 25 yards
.458 Devastator
372 gr FP
HS-6
16.0
1,063
2" @ 25 yards
.458 Devastator
372 gr FP
2400
18.5
1,281
Slow but <3" @ 50 yards
.458 Devastator
372 gr FP
H110
25.5
1,490
2 - 3" @ 50 yards
.458 Devastator
405 gr Rem
HS-6
14.0
1,034
Most accurate 405 load
.458 Devastator
405 gr Rem
H110
22.5
1,345
Decent accuracy
.458 Devastator
405 gr Rem
300 MP
22.0
1,319
Big muzzle flash
.458 Devastator
409 gr Martin
HS-6
14.5
1,050
Mild and accurate
.458 Devastator
409 gr Martin
H110
23.5
1,408
2" @ 50 yards
.458 Devastator
409 gr Martin
IMR 4227
24.0
1,379
Sporadic on paper