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1/25/2018 7:38:29 AM
Posted: 7/8/2003 6:06:14 PM EST
I am building a poor mans SPR which twist rate should I go with, 1/7 1/8 or 1/9 I will be shooting from 55 grain to 77 grain bullets.
Link Posted: 7/8/2003 6:21:28 PM EST
If you're going to play with 77gr, I'd go 1:7.
Link Posted: 7/9/2003 6:43:00 AM EST
Generally, the "SPR" 's use a SS barrel, and most of those come in 1/8 twist. Of course, all your twist-to-grain questions are answered on the [url]ammo-oracle.com[/url]
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