SIG Sauer P211 GTO Equinox Custom Works 9mm — Double‑Stack SAO 1911, 4.4 in Barrel with Slide‑Contoured Compensator, Two‑Tone, 21+1
This SIG Sauer P211 GTO Equinox from Custom Works combines a double‑stack SAO 1911 architecture with the GTO Equinox two‑tone aesthetic and a 4.4 in barrel capped by a slide‑contoured compensator. It is chambered in 9mm Luger, uses P320‑pattern steel magazines, and ships with three 21‑round mags. Factory documentation includes a test card showing a 0.29 in 3‑shot group at 10 m dated 12/10/2025.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There is mild finish wear in typical handling areas and light carbon buildup from prior firing.
What’s Included
- SIG Sauer factory hard case
- SIG Sauer factory paperwork with test target and Certified Custom card
- Dawson Precision fiber‑optic replacement instruction card
- Spare recoil spring (factory bagged)
- SIG SAUER decal
- Three 21‑round steel magazines (P320‑pattern; witness marks numbered to 21)
The P211 GTO Equinox is a recent Custom Works release built in the United States and configured as a double‑stack SAO 1911. It is designed around P320‑pattern steel magazines for a 21+1 capacity and includes a flared two‑tone magwell to speed reloads.
The slide features the Equinox two‑tone brushed accents with front and rear serrations and a slide‑contoured compensator with a top port. The 4.4 in barrel and two‑tone black with brushed stainless accents give the pistol a distinctive GTO Equinox profile.
Controls are set up for confident handling: ambidextrous manual thumb safeties, an ambidextrous slide catch, a checkered magazine release, and fine checkering on the front strap and mainspring housing. The flat, skeletonized 3‑hole trigger and skeletonized spur hammer round out the SAO fire control. A 1913 Picatinny accessory rail with three slots is integrated into the frame.
Sights are a green fiber‑optic front paired with a black serrated rear blade for a clear, daylight‑friendly sight picture. Factory paperwork includes a test card recording a 0.29 in 3‑shot group at 10 m with Speer Gold Dot 147gr (dated 12/10/2025), along with a case label dated 12‑DEC‑2025 and a Certified Custom card.