Description
The P226 earned its reputation the hard way, and the MK25 is the version that took it to work. This is Sig Sauer's faithful production of the pistol adopted by the Navy's special warfare teams, complete with the engraved anchor on the left side of the slide and the UID code on the frame, the same identifier stamped on government-issued small arms. It runs Sig's proven DA/SA hammer-fired system with a decocker, so the first pull is long and deliberate and every follow-up shot breaks light and crisp. No manual safety to fumble with, just a design that has been trusted in serious hands since the 1980s.
What Sets the MK25 Apart from a Standard P226
The upgrades here came straight from military requirements, and they matter for anyone who runs a gun hard. The stainless steel slide wears a Nitron finish that shrugs off moisture and abuse, the barrel is chrome-lined for easier cleaning and long service life, and the internal controls carry a phosphate coating for serious corrosion resistance. Instead of Sig's proprietary rail, the MK25 uses a true M1913 Picatinny rail on the alloy frame, so lights and lasers mount without adapters. SigLite night sights come standard, glowing bright when the light drops off.
Shooting the P226 MK25
At 34 ounces empty with a 4.4 inch barrel, this full-size 9mm soaks up recoil and settles right back on target. The grip shape is one of the most comfortable in the business, and the long slide rails keep the action running smooth while helping seal out grit. Muzzle flip is mild, groups stay tight, and the pistol just runs. There is a reason so many owners describe these as the gun they never worry about.
In the Box with This MK25
This configuration ships with three 10-round steel magazines, giving you plenty to rotate through range sessions without constant reloading at the bench. Whether it becomes your nightstand gun, range regular, or the centerpiece of a Sig collection, the MK25 is the P226 done right from the factory.
Key Specifications
- Manufacturer Part Number: MK25-10
- UPC: 798681439126
- Model: P226 MK25
- Caliber: 9mm Luger
- Action: Double/Single Action (DA/SA) with Decocker
- Barrel Length: 4.4 inches
- Overall Length: 7.7 inches
- Capacity: 10+1
- Magazines Included: 3 x 10-Round Steel
- Sights: SigLite Night Sights
- Frame: Aluminum Alloy with M1913 Picatinny Rail
- Slide: Stainless Steel, Nitron Finish, Engraved US Navy Anchor
- Grips: Black Polymer
- Manual Safety: None (Decocker Only)
- Color: Black
What’s Included
- Sig Sauer P226 MK25 9mm pistol
- Three 10-round steel magazines
Frequently Asked Questions
Is the Sig Sauer P226 MK25 really the same pistol the Navy SEALs carried?
Yes, Sig builds the commercial MK25 to the same specification as the pistol issued to Naval Special Warfare, and the company has stated they are identical to the issued guns. It carries the engraved anchor on the slide and the UID code on the frame just like the military versions. That includes the hard-use upgrades like the chrome-lined barrel and phosphate-coated internals.
Does the P226 MK25 have a manual safety?
No, and that is by design. The MK25 uses a decocking lever on the left side of the frame that safely lowers the hammer without touching the trigger. The long, deliberate double-action first pull serves as the safety mechanism, which is a proven setup used by military and law enforcement for decades.
What is different about the MK25 compared to a standard P226?
The big ones are the chrome-lined barrel, phosphate-coated internal parts for extra corrosion resistance, and a true M1913 Picatinny rail instead of Sig's proprietary rail. It also wears the Navy anchor engraving and UID marking that identify the military configuration. SigLite night sights come standard as well.
How many magazines come with this MK25 configuration?
This version ships with three 10-round steel magazines from the factory. Having three mags out of the box is a nice touch since you can keep shooting at the range while others are loaded and waiting. The MK25 also accepts other factory P226 9mm magazines if you want spares down the road.





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