MR1 owners, how's accuracy?

daroccot

Regular
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I'm trying to develop a load for a friend of mine. I'm using lapua 55sp, 69 smk, and lapua 77scenar. so far 55's are best, can barely get below 2" at 100m though... will this rifle shoot sub MOA? I used to have an AR w/ a 1:9 twist, it shot 52 bergers and 60gr honady spsx the best...
 
I have big success with Lapua Scenars 77 gr, BL-C2 24.2 gr Rem case full sized, BR-4 primer, OAL 2.266, this lenght will fit the mags and Lar-15 to... Just start lower with the powder, and work your way up, this load is sub MOA in one of my MR-1 but wasnt in the others ones ( was MOA + ).... Results will may vary from rifle to rifle... JP.
 
I have big success with Lapua Scenars 77 gr, BL-C2 24.2 gr Rem case full sized, BR-4 primer, OAL 2.266, this lenght will fit the mags and Lar-15 to... Just start lower with the powder, and work your way up, this load is sub MOA in one of my MR-1 but wasnt in the others ones ( was MOA + ).... Results will may vary from rifle to rifle... JP.
It was reccomended i try accurate 2230 powder, also a spherical powder, here's some of my results, col was 2.260. Group sizes are noted to the left of the velocities...

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From my testing the BL-C2 is the best powder for accuracy with the Scenars iin one of my MR-1, tried many powder put this one for me is the clear winner... JP.
 
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