I've had great success with IMR3031 and 100gr flat base spire point bullets in a Sako L579. I can't say on your specific bullets, by my combo was good for 1/4" pattern at 100 yards neck sizing only.
Sweet, I really enjoy the park! Your next trip there you may want to go fishing on the St. Andrews jetty when the tide is heading out. You will be able to see the red fish swimming in just under the surface. They pick up anything being washed out of the bay. Use a floating top water plug and...
BP in Duluth had powder in stock yesterday. $32/# I saw IMR3031, IMR7828, RL19 and quite a few others too. I just couldn't pay that premium, but may regret it later.
On my last wooden bench with nice poly sealed top, I used rod couplings. At Home Depot I found the proper diameter bolts about 2" long, then got rod couplings to fit the bolts. Next I marked the hole pattern, drilled holes the same diameter as the couplings, and epoxied them seated .010" above...