Breech question-Need this answered ASAP

[kylyo123456]

Will A vertical breech module from an SFL emag work on my Xmag?

[smilestyler]

I'm sure they would. I haven't tried it, but I've seen people with SFL's and xmag vert or xmag warp breeches in them. My question is, where on earth would you find a SFL breech?