The Rex Zero 1T (Tactical) is a 20-round 4.9” threaded barrel 9x19mm pistol with several unique features: - Threaded barrel (with protector) 1/2x28 - 20 rd. mags - Raised sights - ROR (Rex Optics Ready) - 4 plates for optics attachment - (1) Trijicon; - (2) C-More; - (3) Shield/Jpoint; - (4) Eotech/Vortex/Burris/Docter/Insight/Meopta - Can be operated either “cocked & locked” or safely de-cocked for DA/SA operation. External safety operates in either configuration. - Ambi- safety and magazine release. - The slide-stop also serves as the de-cocker. - Hard anodized T7075 aluminum frame made from solid bar stock with steel locking block insert. - Nitrocarburized steel slide made from solid bar stock. - Forward cocking serrations. - 1 piece cold hammer forged barrel made from solid bar stock and Nitrocarburized. - Loaded chamber indicator - Full length slide rails. - Picatinny railed dust cover. - Large trigger guard for use with gloves. - High profile white dot steel sights. - Approved for all commercial SAAMI specification +P ammunition - Caliber: 9mm Luger (9x19mm) - Operating Principle: Short recoil - Action Type: Modified Browning linkless locking system - Trigger System: Single- and Double-action Hammer fired - Length: 8.1 in / 205 mm - Barrel Length: 4.9 in / 125 mm - Height: 5.9 in / 150 mm - Width (slide): 0.98 in / 25 mm - Width (frame): 1.1 in / 27 mm - Width (safety levers): 1.46 in / 37 mm - Weight (without magazine): 30 oz / 826 g - Magazine Capacity: 20+1 - Trigger Pull SA: 5.5 lb / 25 kg - Trigger Pull DA: 13 lb / 60 kg - Trigger Travel DA: 0.5 in / 13 mm - Reset Travel SA: 0.16 in / 4 mm - Barrel Pro?le/Twist: 6 grooves right-hand twist - Barrel Twist Rate: 9.8 in / 250 mm