Băng đạn MBF (bản beta)

Man's Best Friend mag

skeletonized sure-t mag, 22 round capacity, lower rate of fire for now, around 18dps seems to be the limit

weighs around 80 grams, 30% lighter than most other mags of it's capacity

hardware required:

8x m1.6x6mm flat head socket cap
4x m2x6mm screws
1x drum spring

Print settings: you shouldn't need support except for magazine feed lips, print the large half laying down.