OA Defense 2311

What Is a 2011?

The 2011 is a double-stack evolution of the 1911 design — same basic operating system, same single-action trigger, same grip angle and thumb safety, but with a wider frame that accommodates a double-stack magazine for significantly higher capacity. The designation "2011" refers to the year 2011 when the design gained widespread adoption, though the concept dates back to STI International's original double-stack 1911 work in the 1980s-90s. The 2311 is OA Defense's specific take on this platform — not a licensed copy, but their independently developed double-stack 1911-pattern pistol.

Why Choose a 2311 Over a Standard 1911?

The traditional 1911 is a single-stack design holding 7-10 rounds depending on caliber and configuration. The 2311's double-stack magazine dramatically increases capacity — typically 17-21 rounds in 9mm — while preserving the 1911's signature single-action trigger quality and ergonomics. For competition shooters who compete in Open or Limited divisions where capacity matters, the 2311 delivers 1911 trigger feel with Glock-comparable capacity. For defensive shooters who prefer the 1911 manual of arms but want more rounds, the 2311 is the natural evolution.

Key Features

Double-stack magazine — Significantly higher capacity than traditional 1911 — typically 17+ rounds in 9mm. Retains 1911-pattern magazine release position and thumb safety.

Single-action trigger — The same short, crisp single-action trigger that makes the 1911 a competition favorite. The 2311's trigger quality is the primary reason competition shooters choose it over striker-fired double-stack alternatives.

Optics-ready — Factory optics-ready slide for red dot mounting — increasingly standard in competition builds.

American-made — OA Defense manufactures their 2311 in the United States.

2311 in Competition

The 2311 platform dominates USPSA Open and Limited divisions where its combination of high capacity, single-action trigger, and optics compatibility is essentially unmatched. OA Defense's 2311 brings this competition-proven platform to an accessible price point — previously 2011-style pistols from Staccato and other premium manufacturers commanded prices well above $2,000. OA Defense's American manufacturing and competitive pricing make the 2311 accessible to a broader range of competition and enthusiast shooters.

FAQ

What is the difference between a 1911 and a 2311?
The 1911 is single-stack with 7-10 round capacity. The 2311 is double-stack with 17+ round capacity. Both use the same single-action operating system, same thumb safety, and similar ergonomics. The 2311 is wider due to the double-stack frame.

What caliber is the OA Defense 2311?
Primarily 9mm, which is the dominant competition caliber. Check specific configurations for available caliber options.

Is the OA Defense 2311 good for competition?
Yes — the 2311 platform is the dominant choice in USPSA Open and Limited divisions. The OA Defense 2311 brings this competition-proven design to an accessible price point.

Where is OA Defense made?
OA Defense manufactures their pistols in the United States.