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Thread: Advice on 25-35 barrel specs.

  1. #1
    Boolit Bub gunnie's Avatar
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    Advice on 25-35 barrel specs.

    G'day folks.
    I'm hoping the learned folks will be able to provide me with some barrel specs for a planned build.
    I'm a Martini Cadet tragic, love them. Have several in various cals and have another action waiting in the wings.
    I'm also a 25cal tragic & have been agonising over choosing between having the action built up in either 256WinMag or 25-35Win. As things have a tendency to do, fate has steered my decision when a set of 25-35 dies with two form dies ended up in the post headed my way.
    So my question to the learned is:
    The rifle will only be used for cast powder coated projectiles in the 95-110gn range. What barrel length & twist rate should I be looking at?

    Thanks in advance folks.

  2. #2
    Boolit Master Bad Ass Wallace's Avatar
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    Mine is a Martini Cadet with a 22" barrel 1:10 twist in which I use a 100gn Cast boolit!

    Hold Still Varmint; while I plugs Yer!

  3. #3
    Boolit Master




    shdwlkr's Avatar
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    orginal 25-35 was 1 in 8 twist and 26 inch barrel and 117 round nose bullet and yes that twist handles lead bullets
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  4. #4
    Boolit Master
    Bent Ramrod's Avatar
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    I found an 8” twist barrel that I fitted to a FBW Single-Shot action and chambered in .25-35, and later had an outfit line a Savage .30-30 barrel with a 10” twist .25 liner and chamber it to .25-35.

    The FBW is very finicky about loadings with cast boolits, although it handles the 117-gr Hornady jacketed roundnoses very well. The Savage shoots anything jacketed from 86 gr up to 117 gr and is accurate with a lot of reduced velocity cast boolit loadings.

    If I were you, I’d get the 10” twist. It’s much more versatile than either the 8” or the 14”.

    As to barrel length, whatever you think makes the gun look coolest .

  5. #5
    Boolit Master Jedman's Avatar
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    I would go with 1- 10” twist also. Jedman

  6. #6
    Boolit Master




    shdwlkr's Avatar
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    If I were to make a new barrel for 25-35 winchester I would most likely use a 1 in 10 twist for two reasons 1 easier to find a .25 caliber barrel and really the 1 in 8 serves no real value today.
    Beware of a government that fears its citizens having the means to protect themselves.
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  7. #7
    Boolit Master marlinman93's Avatar
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    I would prefer the faster twist, which allows for a heavier bullet, but will still shoot the lighter bullets just fine. Especially since you're planning to go with cast bullets. I own and shoot an original 1893 Marlin in the Marlin version, .25-36 Marlin, which is almost identical. My mold is an NOE 115 gr. and it's a 26" barrel. I've shot it out to 500 yds., and unless it gets windy it's very accurate with this weight bullet. The Marlins used a 1:9" twist, which mine is.
    If you're going to use iron sights, and mostly use this for range work, not packing it around hunting, I'd prefer a 26"-28" barrel for the longer sighting radius advantage it gives.



  8. #8
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    Texas by God's Avatar
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    I'll jump on the ten twist boat as well, based on what my 25-06 did with Red Dot and Lyman 90 gr GCFN- it did well. I'd love to have a light Martini in 25-35 for still hunting.
    For when the .250 Savage is too much

    Sent from my SM-A716U using Tapatalk

  9. #9
    Boolit Bub gunnie's Avatar
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    Cheers folks.
    Looks like the 1:10 twist wins. I'll work on about 24" long and thinking I might just have to choose an octagonal barrel, straight profile.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check