ARMSCOR M1400 M20P, M14Y Youth Rifle .22 Long Rifle 10 RD Magazine (NEW STYLE ONLY FROM 2011 TO PRESENT) also fits the Charles Daly Rifle Field Grade .22 LR 55086. 

MODEL - M1400 / M20P

CALIBER - 22LR

ROUND CAPACITY - 10rnd

FINISH - Blued Finish

MANUFACTURER - RIA-MAG

Please note that there are two kinds of magazines, old and new. This is the new style magazine.

The old kind fits M14 rifles pre 2011 models

And the new kind fits M14 rifles made in 2011-current models.

Specifications and Features:

22LR
10 Rounds
Steel magazine body
Blued Finish
Fits:
Rock Island Armory M1400 Rifles chambered in 22LR