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Thread: 11 fs powder and the 475 linnebough.

  1. #1
    Boolit Mold
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    Feb 2016
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    11 fs powder and the 475 linnebough.

    So I got a pound of the new 11 fs powder from accurate. In my BFR I got good accuracy with cast performance 410 grain boolits.
    I was very impressed by the low extreme spread and standard deviation!
    Velocity was also in line with published data! Lastly case's came out easy and very clean!

  2. #2
    Boolit Grand Master


    swheeler's Avatar
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    Never heard of it, something new?
    Charter Member #148

  3. #3
    Boolit Grand Master


    swheeler's Avatar
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    found it, sounds good.........

    Product Information
    No. 11FS is intended for full-power loads in magnum handguns and smaller capacity rifle cartridges. This double-base spherical propellant was developed with an eye toward personal defense and incorporates a flash-suppressant that substantially reduces muzzle signature in low light conditions. In the .300 Blackout, No. 11FS is capable of extremely high velocities with lighter bullets, making it the best propellant choice for shooters looking to maximize downrange performance. Made in the USA.
    Charter Member #148

  4. #4
    Boolit Bub
    Join Date
    Aug 2009
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    Los Angeles
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    What kind of speeds are you getting and with approximately what amount of powder? Just curious if it is worth going away from 296

  5. #5
    Boolit Master

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    Mar 2016
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    Idaho
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    I saw that powder recently on the Accurate website a few days ago. I don't have any guns that call for it, but was curious about it anyway. Thanks for rhe report. Sounds like some promise!

  6. #6
    Boolit Mold
    Join Date
    Feb 2016
    Posts
    20
    So out of my bfr I got 1370fps with 26.5 grains of 11fs.
    I called western powder and spoke to Rob and he suggested I try it.
    What I liked most was how clean it burns.
    All of my cases were very clean and I saw no signs of preasure. Also the extreme spread was in the single digits with some of my test loads.
    My best accuracy came at the upper end of the recomendaton charge weight. Lastly you should not get the muzzle flash with this powder.

  7. #7
    Boolit Bub
    Join Date
    Aug 2009
    Location
    Los Angeles
    Posts
    30
    Quote Originally Posted by Royalwolf View Post
    So out of my bfr I got 1370fps with 26.5 grains of 11fs.
    I called western powder and spoke to Rob and he suggested I try it.
    What I liked most was how clean it burns.
    All of my cases were very clean and I saw no signs of preasure. Also the extreme spread was in the single digits with some of my test loads.
    My best accuracy came at the upper end of the recomendaton charge weight. Lastly you should not get the muzzle flash with this powder.
    I’m going to have to give that a whirl. That’s right about what I load my 420 gr to, so that would be perfect

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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