I have a brand new LH McM Sporter stock that I bought for a build and never used, here are the specs...
McM LH, SA 700, BDL floorplate, #5 Lilja barrel channel,
1" Decelerator pad, 13.5" LOP, 2 studs, painted gray from McM.
I paid $350 for it from McM
I'll ship TYD for $250