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  1. #1
    High Power Shooter james_bond_007's Avatar
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    Quote Originally Posted by Delfuego View Post
    Whats your barrel twist? 22lr normally like a 1:16 twist. If your 5.56 barrel is a 1:7 RH twist? That is a lot faster right-hand twist and could account for your results. My conversion shot considerably better from a 1:9 than a 1:7, but still is not "shooting groups" like a dedicated 22 setup would. They also shot better with high velocity 22lr ammo.
    1:9 RH

    Ammo is the high velocity bulk (550 and 330 packs et al.) like:

    Remington Thunderbolt
    Caliber: 22 Long Rifle
    Bullet Weight: 40 Grains

    Bullet Style: Lead Round Nose

    Muzzle Energy: 140 ft. lbs.

    Muzzle Velocity: 1255 fps



    Federal Champion

    Caliber 22 Long Rifle

    Bullet Wt/grains 36

    Muzzle Velocity 1260

    Rounds/Box 525
    Last edited by james_bond_007; 12-05-2012 at 16:58.
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