BDM Drum mag for 10/22

[Devilito]

they may not be 25 rnd mags but gevarm .22lr rifles use single stack straight mags with a capacity of 20rnds i can take pics if you like

amazing. They were more advanced back then than they are now lol

would love this with a short barrel and a tactical stock
http://www.studentsof########.info/sites/divers/img/947_armement-carabines-gevarm.jpg

 

[CRAZYLOCH]

OMG i need at least 2X

 

[acrashb]

You can't stack tapered/rimmed cartridges with no curve.
[...]
Straight 30 round 10/22 mags are not possible.

Prismatic magazine as found in the Walther GSP (and apparently the Gevarm). Looking from the top, the rounds #####-cross like a shallow X, ensuring that the rims aren't touching each other.