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I'll give that a try, I have some 2208. Most load data I've seen online shows better speed with 2209 but that's normally with 24 inch barrels

Checked chrony data, 20 inch barrel.
120BT doing 2833 with 45.5gr of 2209, best group 0.7moa at 100m with 44gr.
143 ELD-X doing 2593 with 42.5gr, 2634 fps with 43gr ( Best group 0.38moa at 100m...

I’m still working up loads but near max book loads I am at about 2800 FPS with the 120BT and 2600 with the 143 ELD-X (can check chrony data tonight). No pressure signs yet and earlier owner has...

My mag must be the same, previous owner said 2.966, I roughly measured at 2.95 last night. Other than the LRAB at 3.00 on the lands, everything else is 2.94 COAL or less on the lands. I have some...

0.050 jump to the lands if loaded to mag length (may be slightly less, but at least 0.035)

Yeah, it's the Nosler 142gr LRAB that's more than mag length to be on the lands, by about 50 thou. The 143 ELD-X fits the mag with about 20 thou to spare as does the 130gr Swift Scirocco. I have some...

I have a 85 finnlight, standard 260. I haven't had it very long, only had 1 range session.
I have only measured one projectile where mag length stops me kissing the lands, I think it was the Nosler...