Fast14riot
Gold $$ Contributor
I've been shooting the 260AI in F/Open for the last 5-6 years and have some good loads, but between social media and at the range I keep seeing it pop up as a new chambering for shooters.
So, let's post up our known good loads. Fire forming and formed. Target pics are always a plus.
My data Fireforming:
44gr H4831 under any 130-145gr bullet and a soft primer like WSR.

Formed with 140 class bullets:
47.3-48gr H4831 in lapua or Peterson brass.

Formed with 150+gr bullets:
45.3gr RL23

So, let's post up our known good loads. Fire forming and formed. Target pics are always a plus.
My data Fireforming:
44gr H4831 under any 130-145gr bullet and a soft primer like WSR.

Formed with 140 class bullets:
47.3-48gr H4831 in lapua or Peterson brass.

Formed with 150+gr bullets:
45.3gr RL23
