I'll go with MAE, in saying that I run them on all my rifles... 300 Win Mag, 243, 22-250 and 22 WMR's
I am particularly impressed with their quality, noise reduction and the service that Gary and Jeff have provided.
What Cal. are you looking at? If you are in Auckland I suggest a visit...
PM me if you have any questions, one chap from here is visiting today...
Cheers Craig
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