New to 7mm, Need Bbl Twist for 180 gr. Berger Hyb's

[Killick]

Building a .284 Win., 1K yard F-Class rig. Have Barnard P action, remodeling Palma stock with bedding block into F-Class, lowboy bag rider. Have Sightron 50x LR scope. What twist do I need for the 180 Berger Hyb's? 30", 32" finished length?
Kreiger, Bartlein? 4 groove, 5R?

 

[ShootDots]

You will need a 1 in 9 twist>>>>and a 1 in 8.5 is excellent too!

 

[Erik Cortina]

1:9" twist.

 

[Steve Blair]

As Ben and Erik said, a 9" twist will work well and is most easily found. I run 32" barrels with my Shehane but have a long fore end. If your stock is short in the front, a 30" might be better. Any of the "Wisconsin Barrel Mafia" (Bartlein, Brux, Krieger) products will provide excellent results. I have never seen an accuracy difference between conventional 4-groove and 5R rifling.

 

[delivery_boy]

mine is 1:8.5" twist

minumum would be 1:9" twist

Delivery_boy

 

[DBailey]

1-9" twist 32"-30" length.

 

[bartman007]

1:8.5 Krieger 5R 32"

Works brilliantly out to 1,000 yards with the 180gn Bergers.