Sig Sauer P226 MK25 – Sig Sauer P226 MK25 Navy Desert

Sig Sauer P226 MK25

Sig Sauer P226 MK25:

The U.S. Navy approved the original military Sig Sauer P226 MK25 for SEAL usage in the middle of the 1980s. Currently available commercial P226s with the official MK25 designation are standard P226s. In the current military-style QR code box, they are identified as such on the left side of the frame. On the left side of the slide, to the right of the identification for the P226 Model, is an etched white anchor for Naval Special Warfare.
The MK25 is a modified 9mm P226 that is rather “commemorative” due to its markings and nomenclature. The receivers of the first SEAL P226s did not, however, feature a Picatinny rail. People pay attention when renowned military units, like the U.S. Navy SEALs, choose weapons and equipment. Owning a SIG Sauer P226 MK25 9mm pistol has that as its main appeal.

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MK25 Technical Details:

The full-sized combat pistol known as the MK25 shares the same double-action/single-action (DA/SA) trigger decocking action as the standard P226 and other SIG pistols of the same basic design. Once loaded, a lengthy DA lever’s trigger is pulled to discharge the first round. The weight of the pull, according to my Wheeler Engineering Trigger Gauge, is 10 pounds, 8 ounces. After the first shot is fired, the slide automatically cycles, cocking the external hammer to the single-action firing position.

The single-action weighs 3 pounds, 14 ounces less, a significant reduction. The MK25 will continue to fire in single-action until the magazine is empty or the user decocks the weapon by depressing the decocking lever, which is located on the the area on the receiver’s left side above the magazine release. The SIG decocking levers do not act as manual safeties, in contrast to the Beretta 92 or Walther PPK decocking levers. The prolonged trigger pull during the initial shot serves as the safety system for SIG handguns of this type. Never carry a DA/SA SIG pistol with the external hammer cocked.

MK25 Specifications:

  • Caliber:  9mm Luger
  • Magazine capacity:        10 or 15 rounds
  • Barrel length/material/finish:    4.4 inches/carbon steel/Nitron
  • Frame material/finish:   Alloy/hard-coat anodized
  • Slide material/finish:     Stainless steel/Nitron
  • Grips:    Polymer
  • Weight: 34 ounces
  • Sights:   SIGLITE 3-Dot Tritium
  • Price:    $999.99


  • UPC:798681450695
  • Produces MK-25 as item number
  • 9mm caliber
  • DA/SA Action Type
  • Start Pull DA 10.0 lbs
  • Pull Trigger SA 6. 4.4 lbs
  • Overall dimensions are 7.7
  • Inches in length, 8.5
  • Inches in height, 1.5
  • Inches in width, 4.4
  • Inches for the barrel,
  • 6.3 inches for the sight radius.
  • 34.4 Oz. Weight with Mag

SIG Sauer P226 MK25 at the Range:

The MK25 is an excellent shooting Gun. The 34-ounce weight absorbs the 9mm recoil, which is already manageable. The SIG M18 Commemorative pistol, which has a 3.9-inch barrel, weights only 28 ounces in comparison. The MK25’s additional weight makes it possible to manage the recoil of any +P or standard pressure loading with ease.

The design of the P226 grip is fantastic. Similar to the 1911, it was appropriately build from the start to fit a variety of hands. To achieve the ideal feel, there is no requirement for a complex system of interchangeable backstraps. Both during the day and at night, it is simple to use the fixed SIGLITE three-dot tritium sights.


Additionally, the MK25 has three magazines as specified in the Navy offer. I prefer the idea of a pistol having two extra magazines instead of just one or even none at all, as some manufacturers do. For me, having the extra spare magazines include in the MK25 is a convenience, but for a special operator who relies on his handgun as a backup weapon in case his primary weapon malfunctions.

Having an additional 30 rounds in two spare magazines can be a lifesaver. The P226 is use by various special operations units with whom I have experience, and they also have some SIG 20-round Magazines on hand. Although I haven’t seen any proof, the Navy could have order 20 rounders.

Redesigned P226 E2 Grip:

The gun’s grip has undergone the first and most obvious modification. To enable the web of the shooting hand to fit into the handgun more naturally, it appears that a portion of the high backstrap has been remove and mold. This makes it easier for someone with smaller hands to grasp the trigger. The backstrap was reduce throughout, with reductions ranging from 0.1′′ to 0.2′′.

With the exception of the area directly behind the trigger, which was shrunk by 0.15′′. SIG also claims that the overall grip circumference has been reduced, but I do not know by how much. The new recess, which is located high on the backstrap, also makes it easier for the hand to mould to the gun, giving the impression that it is an extension of your arm rather than just a tool in your hand.

Trigger Reach Reduction:

The E2 pistols come standard with the shorter reach trigger. The trigger does not alter the trigger pull’s length or weight; it just moves the trigger’s face 0.4′′ closer to the pistol’s back. The face of the trigger is now 0.55′′ closer to the back of the gun thanks to the backstrap reduction mentioned above, which makes a significant difference for people with smaller hands.


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