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AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
What caliber is the Sig Sauer MPX K?
The MPX K is chambered in 9mm Luger (9x19 Para).
Who makes the MPX K?
The MPX K is made by Sig Sauer.
What type of firearm is the Sig Sauer MPX K?
It is a semi-automatic pistol in the pistol caliber carbine category.
What is the barrel length of the Sig Sauer MPX K?
The MPX K has a 4.5-inch barrel.
How many rounds does the Sig Sauer MPX K hold?
It has a 35-round capacity.
Does the Sig Sauer MPX K have a folding brace?
Yes, the MPX K comes with a folding pivoting contour brace stock.
Where can I buy the Sig Sauer MPX K?
Compare current vendor offers on this page.
The Sig Sauer MPX K: 9mm Tactical Pistol, 35rd, Black Anodized is a 9mm pistol caliber carbines from Sig Sauer. It is available from 10 vendors at $2199.99 to $2265.99.
Name: Sig Sauer MPX K: 9mm Tactical Pistol, 35rd, Black Anodized
Brand: Sig Sauer
Category: Pistol Caliber Carbines
Caliber: 9mm
Barrel Length: 4.5"
Capacity: 35 rounds
UPC: 798681666744
SKU: UCE3nOsYq
The Sig Sauer MPX K is a 9mm Luger semi-automatic pistol with a 4.5-inch cold hammer-forged carbon steel barrel, 35-round capacity, and a folding pivoting contour brace stock. It weighs 5 lbs and has a black hard coat anodized finish.
The gas piston operating system cycles reliably across a range of 9mm loads and keeps blowback debris out of the action, which simplifies cleaning compared to direct-impingement designs. The cold hammer-forged carbon steel barrel holds tight tolerances over extended use.
The Timney single-stage trigger has a crisp pull with minimal pre-travel, which helps with shot-to-shot consistency. The folding pivoting contour brace stock collapses for transport and deploys quickly. The KeyMod accessory rail accepts lights, grips, and other attachments without requiring proprietary hardware.
The 35-round magazine and low recoil make this a practical choice for competitive shooting where sustained fire matters. For home defense the pistol format is compact while still offering significant capacity. As a training platform the ergonomics and adjustable brace give shooters a consistent setup across sessions.
| Caliber | 9mm |
| Model | MPX |
| Capacity | 35 rounds |
| Magazines included | 1 |
| Barrel length | 4.5" |
| Overall length | 22.25" |
| Weight | 80 oz |
| Action | Semi Auto |
| Finish | Nitride |
| Frame material | Aluminum |
| Color | Black |
| Stock material | Polymer |
| Sights | None |
| Safety | Lever |
The MPX K is chambered in 9mm Luger (9x19 Para).
The MPX K is made by Sig Sauer.
It is a semi-automatic pistol in the pistol caliber carbine category.
The MPX K has a 4.5-inch barrel.
It has a 35-round capacity.
Yes, the MPX K comes with a folding pivoting contour brace stock.
Compare current vendor offers on this page.
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The Sig Sauer MPX K gets consistently positive marks across the main discussion themes, with a few honest debates around cost and comparisons.
Build quality and finish get frequent praise -- the hard coat anodized aluminum holds up well and owners describe it as solid in hand. Performance at the range is generally reported as reliable, with minimal recoil for a 9mm pistol of this size. The 35-round capacity is the single most often cited advantage, particularly for competitive shooting and extended range sessions. Ergonomics are well-regarded, with controls that fall naturally under hand.
Customization gets its own ongoing conversations -- owners discuss optics, lights, and grip options through the KeyMod rail. The MPX K is also frequently compared to AR-style pistols and other submachine-gun-format options; in most of those threads the MPX K's gas piston system and build quality favor it, but price is the counterpoint. It sits at a higher cost than several competing platforms, and that drives most of the negative discussion. Maintenance is generally straightforward though some notes about the design's complexity come up occasionally.
Price Range: $2199.99 - $2265.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Gunbuyer Com | $2199.99 | New | Buy Now |
| Brownells | $2199.99 | New | Buy Now |
| RK Guns | $2199.99 | New | Buy Now |
| Guns Com | $2199.99 | New | Buy Now |
| Kygunco Com | $2199.99 | New | Buy Now |
| Buds Gun Shop | $2199.99 | New | Buy Now |
| Impactguns Com | $2199.99 | New | Buy Now |
| Grabagun Com | $2199.99 | New | Buy Now |
| Ar 15 Discounts Com | $2199.99 | New | Buy Now |
| Deguns | $2265.99 | New | Buy Now |
