LOS OSOS, Calif. – Apex Tactical Specialties announced that Two Brothers Tactical now stocks a number of Apex’s industry-leading aftermarket drop-in performance parts for firearms such as the M&P, M&P Shield, Sig Sauer P320 and Glock pistols. Among the many popular Apex parts now available from Two Brothers Tactical are the: – Apex Grade Semi Drop-In Barrel for the 9mm M&PApex Action Enhancement Trigger for the Sig Sauer P320Apex Action Enhancement Trigger w/ Gen 3 Trigger Bar for GlocksApex Duty/Carry Action Enhancement Trigger & Kit for the M&P Shield – Apex Flat-Faced Forward Set Sear & Trigger Kit for the M&P For more information on Two Brothers Tactical, or to place an order, visit www.twobrostactical.com. For more information on parts and services from Apex Tactical Specialties, visit www.ApexTactical.com, like Apex Tactical on Facebook or follow @ApexTactical on Instagram and Twitter. Instructional videos on the installation of Apex parts are available on Apex's YouTube channel.