Barrel length is important for velocity. Higher velocity means the bullet stays supersonic longer for distances.
With that being said, my 10P-SR is only 18" and is still good out to 600-800 yds.
Search google for "Savage 22076". Cost me $550 shipped to my FFL from Tombstone Tactical.
"Laws that forbid the carrying of arms...disarm only those who are neither inclined nor determined to commit crimes...Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man." - Thomas Jefferson, 1776