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Rifles, Reloading, Optics, Equipment
Reloading
Varying OAL on VLD's versus velocity
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<blockquote data-quote="remingtonman_25_06" data-source="post: 293071" data-attributes="member: 1403"><p>I have noticed that if I keep powder charge the same but increase the OAL, I get a slightly lower muzzle velocity. I have noticed this with everything from a .222 rem to a 300 RUM. </p><p></p><p>I always thought the longer the OAL, or the bullet was closer to the lands that it would create more pressure and that it would have a higher velocity. That just doesn't seem to be the case. I havne't done a whole lot of testing with my bullets in the lands because I cant get enough neck tension to keep them there, when I close the bolt it just seats them to the lands again.</p><p></p><p>I just use a fired case, dent the neck, put a bullet in it, chamber the round and it will seat it relatively close to the lands, do that a couple times for an average and thats where I start my seating depth. At most, I'm .010" off which is where all my guns shoot well, either at the lands or no more then .010" off.</p></blockquote><p></p>
[QUOTE="remingtonman_25_06, post: 293071, member: 1403"] I have noticed that if I keep powder charge the same but increase the OAL, I get a slightly lower muzzle velocity. I have noticed this with everything from a .222 rem to a 300 RUM. I always thought the longer the OAL, or the bullet was closer to the lands that it would create more pressure and that it would have a higher velocity. That just doesn't seem to be the case. I havne't done a whole lot of testing with my bullets in the lands because I cant get enough neck tension to keep them there, when I close the bolt it just seats them to the lands again. I just use a fired case, dent the neck, put a bullet in it, chamber the round and it will seat it relatively close to the lands, do that a couple times for an average and thats where I start my seating depth. At most, I'm .010" off which is where all my guns shoot well, either at the lands or no more then .010" off. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Varying OAL on VLD's versus velocity
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