Description
The SIG M179CSSMSMA M17 9mm 4.7 10R *MA* COY is the factory Massachusetts-compliant version of the U.S. military’s chosen sidearm, built for reliable double-action/single-action performance in a coyote-tan finish. With a 4.7-inch barrel and 10-round magazine, it brings proven duty-grade engineering to family shooters and beginners who want a safe, accurate pistol for range practice or home defense.
| Manufacturer | SIG Sauer |
|---|---|
| Model | M17 |
| Material | Stainless steel slide with polymer grip module (per SIG Sauer specs) |
| Compatibility | Standard P320 holsters and accessories (full-size) |
| Finish | Coyote-tan PVD on slide, coyote grip module |
| Weight | 29.6 oz (unloaded, per manufacturer) |
| Condition | New |
Key Features
- SA/DA Trigger with Manual Safety — The double-action first shot gives you an extra layer of confidence when holstering, while the single-action follow-ups stay crisp and light. Why it matters: New shooters learn trigger discipline without sacrificing accuracy on the range.
- 4.7-Inch Coyote-Tan Barrel — Longer sight radius and PVD coating resist corrosion and glare. Why it matters: You get a steadier aim point and easier follow-through, especially important for family members with less shooting experience.
- 10-Round Magazine (MA Compliant) — Factory-limited to meet state regulations while keeping the full-size grip. Why it matters: No aftermarket modifications needed; it’s ready to use right out of the box in Massachusetts and other restricted states.
- Modular Grip Frame — Interchangeable panels let you swap the grip size without buying a new gun. Why it matters: A growing teen or a spouse with smaller hands can adjust the fit in seconds, making the pistol comfortable for multiple family members.
- Loaded Chamber Indicator — A visible tactile and visual port on the extractor. Why it matters: You can confirm the chamber status without racking the slide — a simple safety check that builds good habits for beginners.
Who It’s For
This SIG M17 is built for families who want one pistol that can serve both as a teaching tool and a home-defense sidearm. It’s ideal for new shooters who are ready to move past a .22 and into a 9mm, and for parents who want a manual safety to supplement safe handling lessons. The coyote finish also appeals to shooters who prefer a low-visibility color for outdoor or range use.
Pros and Cons
- Pro: The SA/DA trigger gives you two distinct pull weights — heavy first shot for safety, lighter subsequent shots for speed. According to SIG Sauer specs, the DA pull is 8-10 lbs and the SA pull is 4-5 lbs.
- Pro: The full-size grip fits most adult hands comfortably, and the modular frame lets you downsize the grip without buying a new firearm.
- Con: The 10-round magazine capacity is lower than standard M17 models (17 or 21 rounds). If you live outside a restricted state, you may prefer the standard capacity version for fewer reloads.
Comparison
| Feature | SIG M17 (MA Compliant) | Zev Technologies OZ9 | Geissele Automatics Super Duty 9mm |
|---|---|---|---|
| Trigger Type | SA/DA with manual safety | Striker-fired | Single-action only |
| Barrel Length | 4.7 inches | 4.5 inches | 4.7 inches |
| Capacity | 10 rounds (MA compliant) | 17 rounds | 17 rounds |
| Safety | Thumb safety + DA first shot | None (trigger safety only) | None (trigger safety only) |
| Finish | Coyote-tan PVD | Black nitride | Black phosphate |
| Price | $714.51 | $1,200+ | $1,500+ |
FAQ
Is the SIG M17 Massachusetts compliant?
Yes, this specific model (M179CSSMSMA) is factory-built to meet Massachusetts regulations, including a 10-round magazine and a manual safety. It ships directly from SIG Sauer with the required compliance features.
Can I change the grip size for smaller hands?
Yes. The M17 uses SIG’s modular grip system. You can swap the coyote-tan grip module for a small or medium size without any gunsmithing. A replacement module costs about $40-60 and installs in seconds.
What does the coyote finish look like in person?
It’s a flat, matte tan with a slight metallic sheen from the PVD coating. It resists scratches and holster wear better than standard anodizing. The slide and grip match closely in color.
Is this pistol safe for a new shooter?
Absolutely. The double-action first shot and manual safety provide two extra layers of protection against accidental discharge. Many instructors recommend SA/DA pistols for beginners because they teach trigger control and safe holstering habits.
Does this model accept standard P320 magazines?
It accepts full-size P320 magazines, but standard 17-round or 21-round magazines are not legal in Massachusetts. Only the included 10-round magazine is permitted for sale with this model in MA.
Trust & Shipping
- ✅ Nationwide delivery to all 50 states (restrictions apply per state law)
- ✅ Ships in 1-2 business days from our FFL-licensed facility
- ✅ 30-day return policy on unfired, unmodified firearms
- ✅ Secure checkout with encrypted payment processing
Last updated: April 2026
Internal links: Semi Auto Handguns | SIG Sauer | Massachusetts Compliant
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