180,000 rpm sounds like an dramatic way of describing it.
1:8 twist means the bullet will rotate about 500 revolutions over a distance of 100m.
1:10 twist means the bullet will rotate about 400...
Type: Posts; User: Simon
180,000 rpm sounds like an dramatic way of describing it.
1:8 twist means the bullet will rotate about 500 revolutions over a distance of 100m.
1:10 twist means the bullet will rotate about 400...