twist locks

[Stoble]

does a twist lock barrel on a p/f left fit in a p/f right automag?

[MonsterMag]

No

[ICP]

hmm, I thought you could use it for both, that's why they have two grooves in the barrel?

[MonsterMag]

If the barrel has two grooves then yes, but if theyre is only one then no , you can always mill it to fit