UPC crosses to a gen 2 you can tell because the gen 2 models have the KeyMod handguard UPC 798681550210Caliber: 9mm Capacity: 30rd Barrel length: 8" Overall length: 26.37" (18.18" PSB Folded) Weight: 6.1 lbs Trigger: 7.6 lb AR style trigger Stock: Side-folding SBX pistol stabilizing brace Sights: Flip up front and read sights ******Handguard: Carbon fiber Keymod SIG SAUER MPX™ PISTOL 9mm •Short-Stroke piston system w/Auto-regulating gas valve •Fully closed & locked rotating bolt system •Easily change barrel length, handguard & stock config. •Ambidextrous AR controls •7.6# AR-style trigger •Monolithic flat-top upper receiver combines w/short Carbon Fiber KeyMod handguard for full-length continuous M1913 top rail •Handstop accessory •Rear charging handle does not interfere w/rail-mounted accessories •Free-floating hammer-forged barrel w/A2 compensator •Flip-up front & rear sights •Flared & beveled magwell •Includes side-folding SBX pistol stabilizing brace, & Lancer polymer mag w/steel insert •OAL: 26.37"; 18.18"(PSB folded) •Wt.: 6.1 lbs.

UPC crosses to a gen 2 you can tell because the gen 2 models have the KeyMod handguard UPC 798681550210Caliber: 9mm Capacity: 30rd Barrel length: 8" Overall length: 26.37" (18.18" PSB Folded) Weight: 6.1 lbs Trigger: 7.6 lb AR style trigger Stock: Side-folding SBX pistol stabilizing brace Sights: Flip up front and read sights ******Handguard: Carbon fiber Keymod SIG SAUER MPX™ PISTOL 9mm •Short-Stroke piston system w/Auto-regulating gas valve •Fully closed & locked rotating bolt system •Easily change barrel length, handguard & stock config. •Ambidextrous AR controls •7.6# AR-style trigger •Monolithic flat-top upper receiver combines w/short Carbon Fiber KeyMod handguard for full-length continuous M1913 top rail •Handstop accessory •Rear charging handle does not interfere w/rail-mounted accessories •Free-floating hammer-forged barrel w/A2 compensator •Flip-up front & rear sights •Flared & beveled magwell •Includes side-folding SBX pistol stabilizing brace, & Lancer polymer mag w/steel insert •OAL: 26.37"; 18.18"(PSB folded) •Wt.: 6.1 lbs.

Hi Steve, this is Gen2. You can confirm with Sig with the Model# and UPC# at 603.610.3000, option 1 - Hours: Monday-Friday: 8:30am – 6pm EST.

Steve, I would contact Sig with the Model# and UPC# to confirm/verify Generation at 603.610.3000, option 1 - Hours: Monday-Friday: 8:30am – 6pm EST.