If your an M&P 15/22 owner this is what your looking for.This holds 32 Rounds .22LR to replace your stock 10 rds.
This is hard to find due to the pending BAN ON HIGH CAP MAGAZINES!!Get it while you can!Know your state/local laws/magazine restrictions.I will not ship to CA,NJ,NY,HI,MASSACHUSETTS,CT,AURORA,Maryland,IL,DC,FRANKLIN PARK,OAK PARK ETC....
I'm a trusted seller on ebay with 100% positive feedback(jose rizal2)
$11.00 priority flat rate via USPS with tracking number