BL-C2, 39g Blitzking, and Hornady brass are the ticket in my 24" M700 CDL. If memory serves correctly, I'm about 1grain under max on the charge and seated to SAMII specs.
What are you trying to achieve? The V-Max bullets are very explosive so I slowed mine down a little and am using 40 gn Berger bullets and Varget powder. MV is only about 3700 fps out of a 26" barrel. It still blows rodentia chunks 15 ft into the air, but is easier on fur.
My VLS likes the 39gr BlitzKing and Benchmark. 10X worked good too.
Bullet seating depth made a big difference in my gun, I ended up with a lot of jump.
My Remington XR prefers the 32 gr. Vmax so far. I've had good luck with Benchmark, 335 and Reloader 10.
The rifle does not seem to like 39 or 40 gr. bullets but I'm still experimenting.
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