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Twist Rate For .308 150gr Projectiles ?

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I have a few barrels, and they were inexpensive , so I may invest in a good quality barrel sometime .

I also have a stash of 150 gr bullets that  I bought because they seemed like they'd probably meet my needs, since I'm not expecting to take shots of longer than 400yd, because that's the max distance at our range.                                                                                                                                                                                                                         

The bullets I have are assorted tipped HP hunting bullets and FMJs .                                                                                                                                                                                     

All the barrels I have are 1:10 twist.                                                                                                                                                                                                                                             

I'm curious whether there's a typical twist rate that's specifically preferred for 150 gr bullets.                                                                                                                                             

I've seen some tests in videos that seem to indicate that a shower twist rate is better for accuracy using 150 gr bullets, but other factors could have been the reason for the improvement.           

I'm thinking about a 20" barrel, but I haven't ruled out a 16" 

Thanks in advance for help 











Edited by BeeKay
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