[ QUOTE ] Go with the Vais brake , the money should not matter .
You spend that much money for a rifle an then go cheepst rouite the rest of the way . .... I have an buddy that put an vais on a 300 Mag it made the recoil feel like an 308 or 30 06 recoil .
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It kicks that bad? I have a 308 WCF, two 300 RUMS (including a Sendero), a 338 RUM and a 375 RUM all with Holland QD Breaks. My 375 RUM kicks like a .243 win. (admittedly, the 30" #8 contour Lilja pipe softens the kick).
After shooting my 375 Kirby/Lilja RUM at the range last year, I grabbed my favorite factory stick, an A-bolt 270 WSM and quickly acquired magnum eye and a bad case of flinch. Getting spoiled by the Holland QD's on big guns made it impossible to shoot the little 270 WSM. I immediately shipped it to Kirby for a Holland QD and trigger job. As an added bonus it shoots better now than original (probably from the better crowning Kirby did and the trigger job).
You might wanna think twice on Vais as they have holes all the way around. LIke what Bill or Lerch said, if you or your rifle likes to take baths in sand or dirt, by all means go ahead and get a Vais. Otherwise, you'd be better off getting something with no ports on the bottom. However, a lot of this dictates how you'll be using the rifle. If you dont shoot prone a lot, or in a sandy dusty environment, its probly of no concern to you. Where I live, dust and sand, I didn't want that sandblasting my objective scope lens, not to mention getting dirt underneath my shirt.