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Thread: Rossi 44-40 twist rate ??

  1. #1
    Boolit Buddy
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    Rossi 44-40 twist rate ??

    Measured the twist of my 20" 44-40 src 90's model ,with cleaning rod & tight patch ,,??? "6" times can only get 1/2 of a twist ea. time ,, do that mean 1in 40 or 1in 38 , got me stumped . Wanting to shoot Lyman # 429667 240gn. ( mine cast @ 251-252 w/ my 11-13 Bhn. ) But if the twist is to slow ,,, what ya'll think ??

    coffee's ready ,, Hootmix .

  2. #2
    Boolit Master Outpost75's Avatar
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    Rossi is one turn in 1 metre, or 39.4"

    It will handle 240-grain bullets just fine.
    The ENEMY is listening.
    HE wants to know what YOU know.
    Keep it to yourself.

  3. #3
    Boolit Buddy
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    Thank y'a Outpost75 ,, will be use'n TB & w231 ,, out of H4198 . Think'n about some RL-7 and see how it will work . I also slugged the bore (3 times ) thought my bore was .427 ,,?? miced at .428-.429 ? .431's should work .

    coffee's ready ,, Hootmix .

  4. #4
    Boolit Master Outpost75's Avatar
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    Quote Originally Posted by Hootmix View Post
    Thank y'a Outpost75 ,, will be use'n TB & w231 ,, out of H4198 . Think'n about some RL-7 and see how it will work . I also slugged the bore (3 times ) thought my bore was .427 ,,?? miced at .428-.429 ? .431's should work .

    coffee's ready ,, Hootmix .
    I shoot .430 in mine, here are some loads:

    Typical .44-40 Winchester loads in Rossi Puma with 20” barrel:

    Ammunition___________________Vel@15ft, Sd, ES

    Winchester 200 JSP factory load____1158 fps, 18 Sd, 51 ES

    Handloads in Starline cases, with Remington 2-1/2 primers

    Remington 200 JSP, 24.5 RL7_______1355 fps, 22 Sd, 74 ES

    Hornady 200 XTP, 28 IMR4198______1642 fps, 20 Sd, 63 ES

    Matts Bullets 215 LFN 28 IMR4198___1701 fps, 12 Sd, 41 ES

    Matt’s Bullets 215 LFN 7.8 Red Dot___1273 fps, 15 Sd, 57 ES

    Matts Bullets 215 LFN 35 Goex 3Fg___1172 fps, 28 Sd, 98 ES

    Accurate 43-230G 7.2 Bullseye______1167 fps, 8 Sd, 25 ES
    The ENEMY is listening.
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  5. #5
    Boolit Master Texas by God's Avatar
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    The one I had loved the simple Lee TL429240. It shot very well with 6 grs of Unique. (Little Dandy measure) my current 44-40 shoots 200gr rnfp over 10.5 grs Unique so well that I haven't tried another load yet. It is a Green Mountain barrel/ H&R Topper carbine.

    Sent from my SAMSUNG-SM-G930A using Tapatalk

  6. #6
    Boolit Master pietro's Avatar
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    Quote Originally Posted by Outpost75 View Post

    Rossi is one turn in 1 metre, or 39.4"

    Per the horse's mouth, ALL Rossi Model 92's, regardless of chambering/caliber are issued with 1:30" barrel twist rates.

    http://e.ampro.co.nz/product/678-ros...ategoryId=7249

    .
    Experience is a wonderful thing - It lets you recognize a mistake, when you make it again.

  7. #7
    Boolit Buddy
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    Thank you all ,, Hey Texas like you I want to find the " ONE " that fits my rifle . Slugged my bore w/ a cast 240 , miced @ .431 ( comes out 251 ) it miced at .430 ,, then slugged again w/ a .429 , 215gn. it came out miced at .429 ??? sooo not sure ??? Both cast @ 11-13 BHN ,, will load w/ same powder & primers and shoot it's the only way to find out .
    coffee's ready ,, Hootmix .

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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