1:8 twist 300PRC?

[Vandy321]

Looking at a factory hunting rifle in 300 PRC...my options are a 24" 1:8 (ridgeline TI) or a 22" 1:10 (seekins element)...my last 300 was a 1:9.4 and I was loading 215 burgers.

I do not reload anymore, but I do have Unknown Munitions load up my hunting ammo.

Would like to shoot something (whatever the rifle likes best) in the 210-230gr range, be it hammer hunters, eld-x (loaded or factory), a-tip, etc.

At those weights, which bbl is going to be more versatile...is that 1:8 going to be over-reving a 212 eld-x or 214 hammer hunter if it ends like like that lighter bullet the best?

I read a few threads on this, but I don't understand the stability calculations and what it means.

 

[338LM]

Go to the Berger Bullets website and play around with the Twist Rate Stability Calculator. You will learn more about stability calculations and will pretty much answer your questions on what twist rate to go with.

 

[Hawk in WY]

The Barnes 212 gr bore rider requires an 8 twist.

I will be able to tell you how that worked out this fall.

 

[Jakeweb09]

As long as the bullet is strong enough to not separate then I wouldn’t worry about overspinning your bullet here. All of the above should be good in a 1-8 twist. The hammers like faster twist anyways if you’re thinking of those. If I was to build my own prc I’d be doing a gain twist from almost about 9.5 to 8.5 myself.

 

[smoooth1]

Not a PRC, but my 300WM's love 208's, 210's and 215's in 10 twist Bartlein and X-Caliber barrels..........

 

[max1840]

I have an 8 twist and shoot 230 grain bullets (Berger and Hornady) without issues and both are very accurate. I've not shot the Hornady 225 ELDM for a while for fear they will not hold up since I've encountered that problem with my 6.5 PRC and ELDM's. The 230 Berger hybrid target OTM's and Hornady A-tips are all I've been shooting the last couple months.

 

[ubettcha]

Mine is a 10tw 30" and shoots the 225eldm and 230 berger along with everything smaller cup n core wise well. If you are looking at the 230smk or 245 berger then the 8 would be a better option.

 

[TxWelder35]

I would stick with a 10 twist.

Supporting buddy has a 8t barrel and has a hard time getting to shoot the heavies well.

I also doubt you can get enough speed behind the heavies to make them ballisticly better than something around 210-220 gr

 

[Vandy321]

Had a 300wm in 1:9.4 that was fantastic...supposedly that was the min to stabilize the 225s. That rifle didn't love the 215 bergers.

(internet dude told me, so it's gotta be true) Hornaday designed the 300PRC for a 1:8 with their bullets...not sure if that was for the heavy a-tips or not, but I'd assume so.

 

[toader]

I went with a 9 twist as per my gunsmith...