Apex Tactical designed this polymer armorer's block for the popular Smith & Wesson M&P series of handguns. The moveable bosses allow this block to hold and position all models of the M&P, as well as Glock pistols. The armorer's block correctly supports the polymer frame for gunsmith work and detailed disassembly. The high density polymer prevents marring of the frame.FeaturesAdjustable bosses to accommodate all M&P and Glock modelsSlots for removing the thumb safety and magazine disconnect of the M&PRetaining slots designed for removal and installation of the striker springRaised supports for the trigger and trigger barApex Tactical logo and contact information for technical support cast into the polymer block DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.