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[pj1]

I have the cmm4. Not had many rounds through it but what a differance from the t8 i had. Got mine from east grinstead guns
Regards pj

 

[ytene]

It may be the barrel harmonics are changed with the lighter mod,I have CMM-4 ALU on my Sauer 202 no probs,also an S5 on my Sako 75,light mod on light rifle, heavy mod on heavy rifle seems to work for me... Anton