Twist

[XTX]

I would also like to try a 1:20-24" barrel. I have also been looking for an Early Rapid .177 barrel (made by Anschutz) to try in my Steyr.
That way I will be able to compare a fast, medium and slow twist.

[robs5230]

not an answer but it helps understand what's going on

http://www.airgun.co.uk/Airgun_Accurracy.html

[landymick]

Good idea to use fast spin at same time then you can use medium as benchmark giving hopefully decent results that mean something.Hope you find one i will watch with interest.

[Eidem]

not an answer but it helps understand what's going on

http://www.airgun.co.uk/Airgun_Accurracy.html

Thanks for that link, really interesting information!

[Snagglepuss]

very interesting article, although I wonder how it might be re-written in the light of Ben Taylor's smooth twist barrels which seem to achieve accuracy and adaptability to various guns with only a small section of the barrel having a twist?

[oliver13]

very interesting article, although I wonder how it might be re-written in the light of Ben Taylor's smooth twist barrels which seem to achieve accuracy and adaptability to various guns with only a small section of the barrel having a twist?

They do have a twist though, with them the question is what RPM does the pellet have when it leaves the muzzle, which will give you the equivalent of a normal twist rate.

I think it's well accepted that only the last centimeter or less of the bore decides the shot, but the previous however many centimeters do decide how it arrives at that end - for instance if you use a pellet with a too small a head size it will effectively 'rattle' down the bore & it will be a lottery just how it arrives at the end, just a little but enough to widen the groups?

I'd be interested in what other people think on this, & happy to be wrong...