Thread: Info please: 7mm Blaser build & Data

7mmBM is a really great calibre. I'm getting ~3060 fps w RL26 1:8 twist 26 in bbl put together for me by @Kiwiw Greg. It's a frickn laser .... tightest groups from any boom stick I've owned, well under 0.5moa.
Also have N28 Christensen Arms MESA also 26bbl but 1:9 twist. Yep gets an extra 100 - 120 fps but takes a heap more powder (RL33) to get there. 88 - 89 gns RL33 with 180 ELDMs running at 3180 fps. Groups at ~ 0.7 moa.
If I was to chose one over the other it would be the BM.