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Tuners work best on longer, free-floated barrels, not short, fat ones that have pressure pads. If you want the rifle to look cool, that's fine, but don't expect it to make a big difference in accuracy if your barrel is an 18" bull. For one thing, the mass of the tuner is insufficient to make a big difference in such a short effective barrel length.

I use a tuner on my Win 52C benchrest rifle and it works well, now that the barrel is free-floated. Barrel length is 26" and it's around .910" at the muzzle. Before free-floating, it didn't work well (Tuners work best when barrel vibrations have a lower frequency of vibration, which occur in longer barrels),

The Win. 52 (bolt) action is very sturdy and it has two stock screws to be able to hold the barrel beyond the couple of inches of bedding material beyond the receiver. The 10-22 aluminum receiver is too flexible to allow a heavy, bull barrel to be free-floated successfully. A pressure pad in the forend is the usual accurizing bedding method and it works well to dampen barrel vibrations.

To put a tuner on a carbon-fiber barrel would take away from the reason to get a light barrel, and unless relatively long and free-floated, may not help much with accuracy.

These are my opinions based on use, discussion with a tuner maker and research, take 'em or leave 'em.

John
 

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A-Rob:

The rear lug and steel receiver make it possible to have a free-floating barrel that will work. However, the action is still more flexible than a round bolt-action receiver.

Try it and see if it works your way.

If it doesn't, try a small pressure pad an inch or so long, just ahead of the barrel block. That will isolate the barrel vibrations from the action and could help the tuner by limiting the vibration direction somewhat. Don't forget to use a wedge to create upforce while the (bedding material) pressure pad sets up.

I don't recommend solid shims for pressure pads because they can't adequately conform to the shape of barrel and stock.

Good Luck

John
 
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