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Long Range Hunting & Shooting
Thoughts on twist rate for 32 " barrel 300wm
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<blockquote data-quote="johnnyk" data-source="post: 1591217" data-attributes="member: 307"><p>Welcome to LRH! That longer barrel would help with generating more speed but like MagMan was saying the twist rate determines the weight and length (bearing surface) of bullet to be stabilized.</p><p>The 1 in 10" twist with certainly stabilize all the normal projectiles for the .308 caliber but the trend these days for long range and extreme long range is longer barrels and faster than normal twist.</p><p>I tend to gravitate toward the 200-215gn range of bullets and am looking at a 28" PacNor 1-9 or 1-10", but may do something different. There is a reamer than I'm am wanting to try for my next barrel; "300 Win Mag Fin 55651 Rhian Mantha". It supposedly is great for the 215gn Bergers. There's an article on LongRangeOnly irt this. Good luck with your build, keep us up to date. JohnnyK.</p></blockquote><p></p>
[QUOTE="johnnyk, post: 1591217, member: 307"] Welcome to LRH! That longer barrel would help with generating more speed but like MagMan was saying the twist rate determines the weight and length (bearing surface) of bullet to be stabilized. The 1 in 10" twist with certainly stabilize all the normal projectiles for the .308 caliber but the trend these days for long range and extreme long range is longer barrels and faster than normal twist. I tend to gravitate toward the 200-215gn range of bullets and am looking at a 28" PacNor 1-9 or 1-10", but may do something different. There is a reamer than I'm am wanting to try for my next barrel; "300 Win Mag Fin 55651 Rhian Mantha". It supposedly is great for the 215gn Bergers. There's an article on LongRangeOnly irt this. Good luck with your build, keep us up to date. JohnnyK. [/QUOTE]
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Thoughts on twist rate for 32 " barrel 300wm
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