22 lr,l,s, hammerless; tubular magazine (15)lr, (17)l, (20)s. 24" barrel. Weight 5.5 lbs. Monte Carlo stock with checkered pistol grip, semi beavertail forearm. No. S133 front sight, No. S134 rear sight, receiver drilled for Lyman No. 66MC receiver sight. Made 1959-1960. Exploded View 400-A made 1960-1969. Exploded View , Select Articles on the "Mossberg Palomino" by "Guns Magazine", "American Rifleman" & "Guns and Hunting"

3 Comments
samD
Not much info. What model#400 is yours?
Eturnit3
wouldnt that be a 402? I uploaded the original ad here http://www.gunslot.com/pictures/mossberg-palomino-22-lever-action-402
samD
in lever action. Depends on what year made.