Landkiller,

I have a LH 7-08 Browning with the BOSS, and do not like it at all. Of course the 7-08 does not have the kind of recoil a 300 Win Mad would have, but the painful noise of firing it without hearing protection was a no-go for me.

I contacted Browning about it, and they sent me a BOSS that did not have any openings in it, so I could still tune it up, and not get my ears blown off. It is not very attractive(looks like a garden hose nozzle)and it does work somewhat, but I have a number of rifles without it that are more accurate.

Hope this helps. YMMV.

Steve