marlin 444s barrel thread pitch?

[justashooter]

does anyone know what the thread pitch is?

[autodidact]

does anyone know what the thread pitch is?

If you mean barrel twist, here you go..........

Thanks to Ranch Dog at the Marlin Talk forum for this info

Marlin 444
Dates: 1965-71
Serial Numbers, first two digits: AA, AB, AC, AD, 69 through 71
Barrel Length: 24"
Barrel Rifling: Micro-Groove?, 12 lands
Barrel Twist: 1/38
1971: Mar-Shield finish and vented recoil pad appear.

Marlin 444 Sporter
Dates: 1972-83
Serial Numbers, first two digits: 27 descending through 17
Barrel Length: 22"
Barrel Rifling: Micro-Groove, 12 lands
Barrel Twist: 1/38
Notes:
1976: Forearm cap replaces barrel band.
1978: Honed chamber, I’m not sure of the significance of this.

Marlin 444 SS
Dates: 1984-98
Serial Numbers, first two digits: 16 descending through 00 (2000). Year 2001 starts 99 descending.
Barrel Length: 22"
Barrel Rifling: Micro-Groove, 12 lands
Barrel Twist: 1/38
Note: The side safety appeared with this model change.

Marlin 444 SS
Dates: 1999-2002
Serial Numbers, first two digits: 01, 00, 99, & 98
Barrel Length: 22"
Barrel Rifling: Ballard, 6 lands
Barrel Twist: 1/20

Marlin 444P (Outfitter)
Dates: 1999-2002
Serial Numbers, first two digits: 01, 00, 99, & 98
Barrel Length: 18.5"
Barrel Rifling: Ballard, 6 lands
Barrel Twist: 1/20
Note: Ported barrel

Marlin 444
Dates: 2003 - Present
Serial Numbers, first two digits: 97
Barrel Length: 22"
Barrel Rifling: Ballard, 6 lands
Barrel Twist: 1/20

[enfield]

square threads, 12 T.P.I .722" small diameter and .780" outside diameter. and .770" long shank. hope that helps ( that's marlin 336 measurements, it should be the same ? )