COS21 Double Stack Commander in 9mm and 45 ACP
COS21 Compact 3.5" Double Stack. Flush fit 17+1 mag. Only available in 9mm
COS21 Double Stack 9mm, 45 ACP or 10mm Commander 4.25" with steel tactical frame and full dust cover slide.
COS21 Double Stack Government 5.0" 10mm, 40 S&W, 9mm and 45 ACP with steel frame and full dust cover (tactical rail is an option)
Commander 4.25" length with compact/officer length grip makes this the perfect IDPA CCP gun.

A team of Shooting Industry veterans have developed a truly innovative firearm.  The COS11 (single stack) and COS21 (double stack) are carry guns based on the modular configuration used by many of the leading competitive shooters worldwide.  The Cosaint Arms shooting experience is more controllable which makes it more enjoyable.

What is unique about this new 1911?

  • Lightweight
  • Modular design
  • Less felt recoil
  • Flat, accurate shooting