SIG Sauer M11-A1 9mm Compact DA/SA Pistol, Nitron Slide, Alloy Frame, SRT, 3x 15-Round Magazines
The SIG Sauer M11-A1 is a compact 9mm built with duty-grade components and proven features. This example includes three 15-round stainless-steel magazines and the original SIG factory case. It features a milled stainless slide with a black Nitron finish, an aluminum-alloy frame, SRT trigger, and a decocker. It is marked SIG SAUER INC., NEWINGTON-NH-USA and carries a UID-style MIL-STD data-matrix label on the frame.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Specific Condition Notes: There are minimal handling marks from previous use. The bore presents a bright, clean appearance. Refer to pictures.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Excellent - Sharp lands and grooves.
What's Included
- Original SIG Sauer factory hard case (molded SIG logo)
- Owner's manual
- Three 15-round stainless-steel double-stack magazines
The M11-A1 operates in DA/SA with a decocker and features SIG's Short Reset Trigger for quick, consistent follow-up shots. The slide is a milled stainless P229-type unit finished in black Nitron, paired with phosphate-coated internal components for added corrosion resistance. The dustcover is non-railed, true to this model's configuration.
Controls and sighting elements are straightforward and robust. It has an external extractor, rear slide serrations, and fixed, dovetailed 3-dot sights with a 5.7-inch sight radius. The hammer is a spur type, and the textured polymer grips provide secure purchase; they are marked P229 on the left panel and SIG SAUER on the right.
Dimensionally, it balances concealability with shootability: a 3.9-inch barrel, overall length of 7.1 inches, height of 5.4 inches, and width of 1.5 inches. Listed weight with magazine is 29.6 ounces. Capacity is 15+1 using the included double-stack magazines.
Markings and identification details include a circular SIG emblem on the top of the slide, the SIG SAUER INC., NEWINGTON-NH-USA frame legend, and a UID-style MIL-STD data-matrix label. This U.S.-made compact brings together proven SIG Sauer features in a clean, practical configuration.