SIG Sauer P938 Two-Tone 9mm 3in Micro-Compact
Pros & cons
What works
- Weighs 16.0 oz — 4.2 oz lighter than the all-steel Kimber Micro 9
- Ships with two magazines (6-round flush & 7-round extended) for immediate carry flexibility
- XRAY3 night sights provide 15+ years of tritium glow without battery dependency
- All-metal construction (stainless slide/alloy frame) outlasts polymer frames in high-round-count testing
Trade-offs
- Limited capacity: 6+1 rounds with flush magazine is 4 rounds less than the Springfield Hellcat Micro-Compact
- Manual safety required — adds a training hurdle for shooters accustomed to striker-fired pistols
- Recoil impulse is sharper than polymer-frame micro-9s due to the metal frame's lack of flex
Video review
Expert review
Specs at a glance
About this product
The SIG Sauer P938 Two-Tone 9mm 3in Micro-Compact is a single-action, all-metal micro-compact pistol built for discreet, reliable daily carry where size and mechanical confidence are non-negotiable. It pairs a 3-inch barrel with an all-metal frame and SIG's premium XRAY3 day/night sighting system to deliver a platform that bridges the gap between a true subcompact and a shootable, duty-grade sidearm. This isn't a polymer-frame compromise; it's a scaled-down 1911-style architecture repurposed for modern concealed carry protocols and chambered in the industry-standard 9mm Luger round.
What is the SIG Sauer P938 Two‑Tone used for?
The P938 Two‑Tone is engineered for daily concealed carry in environments where printing a larger firearm is a liability. Its primary use case is providing a reliable, full-caliber defensive option in a package that measures just 5.9 inches in overall length and 4 inches in height, making it a genuine deep-concealment pistol for appendix or ankle carry where bulkier compacts like the Glock 19 simply cannot go unnoticed. The single-action trigger, with its consistent take-up and clean break, is optimized for precise shot placement under stress, not high-volume range sessions—this is a defensive tool, first and foremost.
How does the SIG Sauer P938 compare to the Smith & Wesson Shield Plus?
The P938 directly trades magazine capacity and a striker-fired mechanism for a superior trigger feel and all-metal construction. The Shield Plus offers 10+1 or 13+1 rounds in a polymer frame weighing 20.2 ounces, while the P938 provides 6+1 or 7+1 rounds in an alloy frame weighing 16 ounces; the Shield Plus is objectively better for capacity and perceived recoil management, but the P938 is mechanically superior in trigger control and durability of its metal-on-metal slide/frame interface, which will show less wear over a 5,000-round service life.
What does it weigh and what are the dimensions?
The unloaded pistol weighs 16.0 ounces (454 grams), making it one of the lightest all-metal micro-compacts available. Its overall length is 5.9 inches (150 mm), height is 3.9 inches (99 mm) with the flush magazine installed, and width is 1.1 inches (28 mm) at its widest point across the grip panels. The 3.0-inch barrel is cold hammer-forged and treated with SIG's proprietary Nitron coating to resist fouling and corrosion, a critical detail for a carry gun exposed to sweat and humidity for 8–10 hours a day.
Who is this NOT for?
This pistol is not for novice shooters who haven't mastered manual safety discipline or those prioritizing maximum ammunition capacity above all else. The single-action mechanism requires the manual safety to be engaged during holstering and transport—a non-negotiable safety protocol that a striker-fired pistol like the Stevens 334 bolt-action rifle doesn't demand. If you need a 15+ round backup for competition or a bedside gun where capacity trumps concealment, consider a full-size duty pistol instead.
What's in the box?
You receive the pistol, two magazines (one 6-round flush-fit and one 7-round extended with a finger rest), a molded polymer hard case, a cable lock, and the owner's manual. The magazines are SIG-manufactured stainless steel with a black Nitride finish and polymer base plates—the flush-fit magazine reduces the grip height by 0.6 inches for absolute minimal printing, while the extended magazine adds approximately 0.9 cubic inches of grip surface for a full three-finger purchase.
Is the SIG Sauer P938 Two‑Tone worth it at $749.99?
At $749.99, the P938 commands a premium over polymer competitors like the Springfield Hellcat, but justifies it through its all-metal construction, premium night sights, and superior single-action trigger. You are paying for a durable, compact sidearm from a tier-one manufacturer (SIG Sauer) that will function reliably for a decade of daily carry, not a budget-friendly range toy. If your priority is a micro-compact that shoots like a scaled-down 1911 and can be field-stripped in under 15 seconds without tools, the investment is warranted. For those on a tighter budget or new to manual-safety pistols, consider a more straightforward platform like the Stevens 555 Sporting shotgun before moving into compact carry.
Key attributes
| upc | 798681686438 |
| manufacturer | SIG SAUER |
| manufacturer part number | 938-9-TXR3-AMBI |
| action | Semi-Auto |
| atf type | Pistol |
| barrel length | 3'' |
| caliber/gauge | 9mm |
| capacity | 6-Round 7-Round |
| color | Stainless |
| length | 5.9'' |
| magazine included | 1 x 7 Round |
| model | P938 |
| number of magazines | 2 |
| package height | 2.4 |
| package width | 7.0 |
| product type | Semi-Auto Pistol |
| safety | Manual |
| shipping weight | 2.2 |
| sights | Siglite Night Sights |
| sights type | Night Sights |
| slide description | Serrated |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
Frequently asked questions
- Is the P938 compatible with standard SIG P238 holsters?
- No, the P938 is not directly compatible with P238 holsters due to differing dimensions; the P938 is chambered in 9mm and has a slightly wider slide and frame profile. You need a holster specifically molded for the P938 model to ensure proper trigger guard coverage and retention. Most major holster manufacturers like Vedder, CrossBreed, and Alien Gear offer dedicated P938 models.
- Does this model have a threaded barrel option?
- No, this specific Two‑Tone configuration does not include a threaded barrel; the barrel is a fixed, non-threaded 3.0-inch design. SIG Sauer does offer a P938 SAS model with a threaded barrel as a separate SKU, but converting this model would require purchasing a separate barrel assembly and potentially modifying the slide, an operation that costs approximately $120-180 in parts alone.
- How long does shipping to an FFL typically take?
- Shipping to your designated Federal Firearms License (FFL) holder typically takes 3–5 business days once the order is processed and your FFL information is verified. All firearms from Ironclad Armory ship via FedEx 2Day with direct signature required at the FFL; you must contact your FFL in advance to confirm they accept transfers and provide their license copy to our compliance team within 24 hours of ordering.
- Can I mount a red-dot optic directly to the slide?
- No, the slide is not factory-milled for a red-dot optic; it is cut only for the included XRAY3 night sights. Mounting an optic requires sending the slide to a milling service like Jagerwerks or CHPWS for a specific footprint cut, which costs $150-$220 and adds 4-6 weeks of turnaround time, not including the cost of the optic itself.