Thanks for answering that sean!
Sean is right. The black dog mags will work in the Ar 15 22 upper but so will these mags....
Feel free to call 1 866 523 2673 ask for Misty......
Phone lines open M-F 9am-5pm EST
AR15 .22LR Ciener 30rnd. Magazine Mfg. ProMag
AR15/M16 Ciener .22LR 30rnd. Conversion Magazine. Mfg. Pro-Mag, Made in USA.