FWIW...
.444, .45-70 and 450Marlin comparison - updated 12/26/2003.
Here's a short compendium of information on loads and factory ammo for the 444, 450M and .45-70 (Marlin).
First, here are the fastest loads I could find with a short search, factory and handloaded:
.444Marlin
200g @ 2730fps, 3311fpe (Accurate Arms, 41,300CUP)
240g @ 2499fps, 3329fpe (Hodgdon, 42,100 CUP)
250g @ 2200fps, 2687fpe, Nosler Partition $27.78 (Conley)
265g @ 2200fps, 2849fpe, JFP (Conley)
265g @ 2273fps, 3041fpe (Hodgdon, 41,100 CUP)
265g @ 2335fps, 3209fpe (Hornady @ Cabelas)
280g @ 2200fps, 3009fpe (Corbon)
300g @ 2082fps, 2888fpe (Hodgdon, 42,500 CUP)
300g @ 2100fps, 2938fpe, JSP $22.75 (Conley)
300g @ 2150fps, 3078fpe (Buffalo Bore Ammo)
300g @ 2152fps, 3086fpe (Hodgdon #26)
300g @ 2211fps, 3257fpe (Speer #13)
305g @ 2100fps, 2988fpe (Corbon)
450Marlin
250g @ 2509fps, 3495fpe (Hodgdon, 42,200 PSI)
300g @ 2321fps, 3589fpe (Hodgdon, 42,200 PSI)
350g @ 2196fps, 3749fpe (Hodgdon, 42,300 PSI)
350g @ 2100fps, 3428fpe (Hornady Factory)
400g @ 2023fps, 3636fpe (Hodgdon, 41,900 PSI)
.45-70
250g @ 2200fps, 2687fpe, Barnes X Flat Nose (Conley)
300g @ 2100fps, 2938fpe, HP (Conley)
300g @ 2100fps, 2938fpe, Barnes Original Flat Point (Conley)
300g @ 2100fps, 2938fpe, Nosler Partition (Protected Point) (Conley)
300g @ 2100fps, 2938fpe, Barnes X Flat Nose (Conley)
300g @ 2424fps, 3915fpe (Hodgdon, 40,00 CUP)
325g @ 1950fps, 2745fpe, Barnes X Flat Nose (Conley)
350g @ 1970fps, 3017fpe, JFP (Hornady) (Conley)
350g @ 2191fps, 3732fpe (Hodgdon, 39,300 CUP)
400g @ 1900fps, 3207fpe, Barnes Original Flat Point (Conley)
400g @ 1900fps, 3207fpe, Swift A-Frame Flat Point (Conley)
400g @ 2002fps, 3561fpe (Hodgdon, 39,400 CUP)
405g @ 1900fps, 3247fpe, JSP (Conley)
430g @ 1925fps, 3539fpe (Buffalo Bore Ammo)
500g @ 1625fps, 2532fpe (Buffalo Bore Ammo)
540g @ 1550fps, 2880fpe (Garrett)
Second, factory ammo and costs:
.444Marlin
$37.93 200g @ 2320fps, 2391fpe, Barnes XPB @ Conley
$37.93 225g @ 2200fps, 2365fpe, Barnes XPB @ Conley
$19.99 240g @ 2350fps, 2942fpe (Remington @ Cabelas)
$27.78 250g @ 2200fps, 2687fpe, Nosler Partition (Conley)
$24.99 265g @ 2335fps, 3209fpe (Hornady @ Cabelas)
$22.62 265g @ 2200fps, 2849fpe, JFP (Conley)
$17.00 270g @ 2200fps, 2902fpe Speer Gold Dot @ Georgia Arms
$39.99 270g @ 2250fps, 3034fpe (Buffalo Bore Ammo @ Cabelas)
$36.32 280g @ 2200fps, 3009fpe (Corbon)
$17.00 300g @ 2000fps, 2665fpe Speer Gold Dot @ Georgia Arms
$39.99 300g @ 2020fps, 2719fps, Swift A-Frame @ Conley
$22.75 300g @ 2100fps, 2938fpe, JSP (Conley)
$39.99 300g @ 2150fps, 3078fpe (Buffalo Bore Ammo @ Cabelas)
$37.11 305g @ 2100fps, 2988fpe (Corbon)
$39.99 335g @ 2025fps, 3049fpe (Buffalo Bore Ammo @ Cabelas)
450Marlin
$20.21 350g @ 2100fps, 3428fpe (Hornady @ Midsouth)
.45-70
$41.54 250g @ 2200fps, 2687fpe, Barnes X Flat Nose (Conley)
$??.?? 300g @ 1810fps, 2182fpe (Remington @ Remington web site)
$20.39 300g @ 1880fps, 2355fpe (Winchester JHP, Natchez)
$20.60 300g @ 1880fps, 2355fpe (Federal, Natchez)
$29.81 300g @ 1880fps, 2355fpe (Winchester Partition Gold, Natchez)
$22.84 300g @ 2100fps, 2938fpe, HP (Conley)
$44.66 300g @ 2100fps, 2938fpe, Barnes Original Flat Point (Conley)
$32.50 300g @ 2100fps, 2938fpe, Nosler Partition (Protected Point) (Conley)
$41.54 300g @ 2100fps, 2938fpe, Barnes X Flat Nose (Conley)
$25.08 350g @ 1970fps, 3017fpe, Hornady JFP (Conley)
$34.89 350g @ 1800fps, 2519fpe, BCSP (Corbon @ Corbon web site)
$19.47 350g @ 2025fps, 3188fpe, PMC @CheaperThanDirt.com)
$39.99 350g @ 2150fps, 3593fpe (Buffalo Bore Ammo @ Cabelas)
$24.99 400g @ 1250fps, 1388fpe (Black Hills @ Cabelas)
$44.66 400g @ 1900fps, 3207fpe, Barnes Original Flat Point (Conley)
$54.46 400g @ 1900fps, 3207fpe, Swift A-Frame Flat Point (Conley)
$12.99 405g @ 1350fps, 1639fpe (PMC @ Cabelas)
$18.99 405g @ 1100fps, 1088fpe (Ultramax @ Cabelas)
$22.50 405g @ 1325fps, 1579fpe, RNFP (Conley)
$18.99 405g @ 1330fps, 1590fpe (Remington @ Cabelas)
$24.50 405g @
(Winchester @ Cascade Ammunition web site)
$35.57 405g @ 1700fps, 2600fpe, FPPE (Corbon @ Corbon web site)
$22.99 405g @ 1900fps, 3247fpe, JSP (Conley)
$39.99 405g @ 2000fps, 3597fpe (Buffalo Bore Ammo @ Cabelas)
$41.99 405g @
(Obsolete Ammunition @ Cabelas)
$50.00 420g @ 1850fps, 3200fpe (Garrett)
$39.99 430g @ 1925fps, 3537fpe (Buffalo Bore Ammo @ Cabelas)
$34.50 460g @ 1650fps, 2780fpe, HC (Corbon @ Corbon web site)
$41.99 500g @
(Obsolete Ammunition @ Cabelas)
$52.99 500g @ 1625fps, 2931fpe (Buffalo Bore Ammo @ Cabelas)
$50.00 540g @ 1550fps, 2880fpe (Garrett)
$180.00 500g @ 1530fps, 2600fpe (Speer AGS Tungsten, Garrett)
Third, following are some of my loads with chronographed velocities. The rifle used is a 2000 Marlin 1895 .45-70 with 22" barrel and Ballard-cut rifling:
All loads used Starline brass, full-length sized, trimmed to 2.095" and CCI 200 primers.
Laser-Cast 300g BBFP, 13.5g HS-6, COL 2.505", 1167fps, 7fps S.D., 2 holes at 50 yards (5 shots)
Speer 300g JHP, 57.0g H4198, COL 2.53", 2399fps, 29.8fps S.D., no target data (4 shots)
Barnes 300g X, 48.0g H4198, COL 2.51", 2061fps, 5.7fps S.D., 1.63" at 50 yards (2 shots)
Bonus Bullets 305g FNGC, 53.5g Reloder 7, COL 2.55", 2094fps, 10.6fps S.D., 4.35" overall, 3 of 4 in 2.6" at 50 yards (4 shots)
Speer 350g JSP, 59.5g Varget, COL 2.593", 1836fps, 11.5fps S.D., 2.55" overall, 3 of 4 in 1 cloverleaf at 50 yards (4 shots)
Hornady 350g FN, 50.5g Reloder 7, COL 2.54", 2069fps, 9.8fps S.D., 2.15" overall, 3 of 4 in 1.3" at 50 yards (4 shots)
North Fork 350g Bonded FN, 51.0g H4198, COL 2.56", 2181fps, 5.0fps S.D., 1.2" group at 50 yards (5 shots)
Remington 405g JSP, 50.0g Reloder 7, COL 2.600", 1901fps, 3.4fps S.D., 5.45" overall, 3 of 4 in 2.60" at 100 yards (4 shots)
Remington 405g JSP, 48.8g H4198, COL 2.600", 1982fps, 10.9fps S.D., 4.30" overall, 5 of 6 in 2.30" at 50 yards (6 shots)
Cast Performance 460g WFNGC, 49.3g Benchmark, COL 2.526", 1812fps, 6.5fps S.D., 1.9" overall, 5 shots in 3 holes at 50 yards (5 shots)