What class?
In general, since silhouette is shot standing, you want the heaviest barrel you can hold up, to steady your hold. In a 10/22, mine is a 21 1/2" .920" Clark. One of our Master class shooters has a bloop tube on the end with weights at the end of the tube, for a good "hang".
Therefore, the light aluminum or plastic sleeved barrels aren't ideal. Their intent ( apart from style points) is to give a stiff, stable barrel in a lighter weight. Shootability and portability are at cross purposes.
Some taper is still required for hunter class. And a weight limit.
Don't waste time doing your own trigger unless you're really strapped. You can spend a lot of hours with stones an still not get what $65 for a PC sear,hammer will get you in a few minutes. And still not even close to the $300 KIDD.
Enjoy!
