I got the 123 scenars from Prophet River. You can also order directly from Hirsch Precision as they are the Lapua wholesaler for Canada. Price is about the same from both.
I am using a 30" MTU contour Krieger barrel with a 1/8 twist. Velocity is about 2950 ( according to my Labrader)
Using a Vortex Razor gen II 4.5 x 28 X 56 with the mil r retiticle
Links for buying bullets
http://store.prophetriver.com/search...&Submit=Search
http://www.hirschprecision.com/