2011 vs 1911: What's the Difference?
Posted by Blackstone Shooting Sports on Nov 10th 2026
If you have shopped double-stack 9mm pistols lately, you have seen "2011" everywhere. It looks like a 1911, it has the same single-action trigger, and the names are one digit apart. They are not the same gun. Here is what actually separates the two, in plain language, so you can decide which one fits how you shoot.
The short answer
A 1911 is a single-stack pistol with a one-piece steel or aluminum frame. A 2011 keeps the 1911's slide, single-action trigger and controls, but splits the frame in two: a metal upper frame and a separate grip module that holds a double-stack magazine. That design change is where almost every other difference comes from.
Where the 2011 came from
The 1911 was adopted by the U.S. military in 1911 and is still one of the most copied pistol designs in the world. In the early 1990s, competition shooters wanted 1911 handling with more rounds on board. Virgil Tripp and Sandy Strayer of Tripp Research designed a modular, high-capacity frame for that purpose, patented in 1994. Their company became STI, and STI later became Staccato. Today many makers build pistols on the same idea.
Frame and grip
- 1911: one-piece frame. Grip panels bolt on, so you can change the look and texture, but the grip size stays the same.
- 2011: two-piece frame. The grip module (often polymer, sometimes aluminum or steel) can be swapped for a different size, texture or weight on many models.
Because it holds a double-stack magazine, a 2011 grip is wider front to back and side to side than a single-stack 1911. Shooters with smaller hands should try both before buying.
Magazines and capacity
A full-size 9mm 1911 typically holds 9 or 10 rounds; a .45 ACP 1911 holds 7 or 8. Full-size 9mm 2011s commonly hold 17 to 20 rounds, and compact models around 15 to 17. Capacity limits vary by state and local law, so check what applies where you live.
Magazines are where 2011 brands differ most. Many follow the long-established Staccato/STI pattern, some use their own design, and a few newer "2311" and Glock-magazine-compatible pistols take a different approach entirely. Before you buy spare magazines, confirm the exact pattern your pistol uses.
Weight, recoil and shooting feel
An all-steel full-size 1911 or 2011 is heavy compared with a polymer striker pistol, and that mass helps keep the muzzle flat. Many 2011s add ported barrels or integral compensators, and most current models come optics-ready from the factory. The result is a pistol built to track flat and return to the target quickly, which is why 2011s are so common in USPSA and other action-pistol divisions.
Carry and everyday use
Both platforms are carried every day. A single-stack 1911 is thinner, which some people find easier to conceal. A 2011 is thicker but carries more rounds, and compact 2011s with 3.5- to 4.25-inch barrels are built with carry in mind. A good holster and belt matter more than the platform. If you are planning to carry in North Carolina, our N.C. Concealed Carry class covers the state requirements.
Maintenance
A 1911 is simple to field strip and has been serviced by gunsmiths for over a century. A 2011 has more parts where the grip module meets the frame, and some models need a little more attention to magazines and springs. Neither is difficult once someone shows you how; our private instructors can walk you through it.
Which one should you choose?
- Choose a 1911 if you want a thin, classic single-stack pistol, prefer .45 ACP, or like the simplicity of the original design.
- Choose a 2011 if you want 1911 trigger feel with double-stack capacity in 9mm, plan to mount an optic, or shoot competition.
The best way to decide is to hold both. Visit our Charlotte, NC store at 2001 Wilkinson Blvd and our staff will walk you through the differences in person.
2011 brands at Blackstone
We carry 2011s from Staccato, Atlas Gunworks, Bul Armory, Springfield Armory (1911 DS Prodigy), Wilson Combat, Kimber (2K11), SIG Sauer (P211), Stealth Arms, Girsan and EAA (Witness2311), Ed Brown, Alpha Foxtrot and more. Availability changes often, so check each listing.
Shop 2011 pistols · Browse 2011s by brand and barrel length · Shop 1911 pistols · Read our Bul Armory Tac Comp review