This is the 2.0 Compact version with 4” barrel and 15 round magazines. It’s not the same as the Compact in the original (1.0) M&P. If you’d like to upgrade the sights on this pistol, or add upgrade parts or a trigger job, please contact us after purchase. We also stock extra magazines for this pistol. We offer this pistol at a lower price if it’s purchased to go into one of our custom build (ex: Duty/Signature Series) packages.