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Built on the patented modular steel frame with polymer grip, the USPSA Double Stack delivers the traditional features of a 1911 and allows the added benefit of high capacity magazines. The innovative frame design preserves the 17° angle of the grip in relation to the slide, original to the 1911. The essential design element for high capacity, the polymer grip, allows for double stack magazines without over-sizing the circumference of the grip, which remains comparatively the same as the circumference of a 1911.

This pistol couples STI’s patented receiver with all the most desirable accessories in a factory firearm. The controls are STI International’s stainless steel ambidextrous thumb safeties and knuckle relief high-rise beavertail grip safety. The full length forged stainless steel barstock slide features STI’s unique saber tooth rear cocking serrations, custom USPSA engravings, and is Tri-topped to reduce weight and felt recoil. The barrel is a 5.0" fully ramped, fully supported bull barrel. This excellent firearm comes standard with an STI square hammer, Recoil Master, patented STI trigger system, STI S-7 sear, and titanium strut for smooth, reliable function. The USPSA Double Stack has black inlayed engraving on the polished sides of the two toned blued/ stainless steel slide, stainless steel magwell, and an STI adjustable rear sight.

The USPSA Double Stack has a two toned blued/stainless finish.

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