224 Valkyrie Update

Sierra recommends a 6.5” twist barrel for the #9290 22 cal 90 gr HPBT bullet however for cartridges like the Valkyrie, that can push them over 2650 fps muzzle velocity, a 7” twist barrel will stabilize the bullet correctly.



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3 Responses to 224 Valkyrie Update

  1. Brittius says:

    Reblogged this on .


  2. Terry Loftis says:

    Well I’m glad I ordered a 6.5 inch twist Bartlein barrel for my bolt gun to shoot 90gr at 2900fps. Now what do I do? Will I be shredding bullets?


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