Cartridge
Bullet
Powder
Charge
Velocity
Notes
.445 SuperMag
240 gr XTP
H110
33.0
1,604
Poor accuracy
.445 SuperMag
240 gr XTP
Lil'Gun
32.0
1,530
Big velocity drop from H110
.445 SuperMag
265 gr Hornady
IMR 4227
31.0
1,585
3.0" at 50 yards
.445 SuperMag
265 gr Hornady
AA 5744
30.0
1,547
Max - 2.0" at 50 yards
.445 SuperMag
300 gr XTP
H110
27.0
1,495
Not quite max but accurate
.445 SuperMag
300 gr XTP
AA 1680
33.0
1,528
Max and very accurate
.445 SuperMag
300 gr XTP
IMR 4227
28.0
1,511
Good accuracy
.445 SuperMag
310 gr SSK
AA 1680
32.5
1,505
1.5" at 50 yards
.445 SuperMag
310 gr SSK
H110
29.5
1,475
Not as good as 1680
.445 SuperMag
Leadheads 320
H110
28.0
1,424
Decent accuracy
.445 SuperMag
Leadheads 320
AA 1680
30.0
1,518
1.0" at 50 yards
.445 SuperMag
Leadheads 320
AA 5744
30.5
1,500
< 1.5" at 50 yards
.445 SuperMag
CP 320 WLN
H110
27.5
1,521
2.0" at 50 yards
.445 SuperMag
CP 320 WLN
AA 1680
30.0
1,492
< 2.0 at 50 yards
.445 SuperMag
CP 320 WLN
SR 4759
26.5
1,380
Slow but accurate
Fired from a 12" Thompson Center Contender. Large rifle primers throughout
