The J C Higgins Model 20 holds 6 rounds with out a magazine plug
3 with plug 5 without
14+1
5
Per federal regulations, it can only hold a maximum of three shells (2 in the magazine tube + 1 in the chamber).
mine holds 9.
The marlin model 990 was made to hold 18 rounds in its tube magazine.
A Winchester model 1200 will hold 30 rounds. These rounds are similar to the size that a 12 gauge shotgun wold hold. This gun was first introduced in 1954.
Your marlin should hold 5 plus one in the chamber.
all glenfields,sears,and marlinshold 6+1
Your winchester model super X2 should hold 5 rounds of shotgun ammo.
I can only put 1 in the chanber and 2 in the mag 2 3/4" on my Model 50.....sound right to you?