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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help..Throat length / Freebore / bullet jump
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<blockquote data-quote="highdrum" data-source="post: 2618913" data-attributes="member: 13732"><p>I can attest. Seating depth nodes are wider as you get further off the lands. Throat erosion has less affect on chamber pressure further off the lands as well. I will say though, the absolute best accuracy is usually found with 10k jam to 30k jump. This node will likely be only 003 thou wide, and it takes a lot of notes and tuning to keep it shooting there. But these are hunting guns. Half moa accuracy at distance will get the job done. No real need to persue 1/4 moa unless you desire to do so. Also bench accuracy and field accuracy are usually two different things, make sure you're half moa in field positions with proper recoil management to spot your shot for a follow up correction if needed. Anymore I throat to long freebore and jump my bullets a fair amount for consistency and forgiveness in reloading.</p></blockquote><p></p>
[QUOTE="highdrum, post: 2618913, member: 13732"] I can attest. Seating depth nodes are wider as you get further off the lands. Throat erosion has less affect on chamber pressure further off the lands as well. I will say though, the absolute best accuracy is usually found with 10k jam to 30k jump. This node will likely be only 003 thou wide, and it takes a lot of notes and tuning to keep it shooting there. But these are hunting guns. Half moa accuracy at distance will get the job done. No real need to persue 1/4 moa unless you desire to do so. Also bench accuracy and field accuracy are usually two different things, make sure you're half moa in field positions with proper recoil management to spot your shot for a follow up correction if needed. Anymore I throat to long freebore and jump my bullets a fair amount for consistency and forgiveness in reloading. [/QUOTE]
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Help..Throat length / Freebore / bullet jump
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