(903) 259-6600|Tue–Fri 10am–6pm · Sat 10am–5pm|2510 Hemphill St., Greenville, TX
(903) 259-6600|Tue–Fri 10am–6pm · Sat 10am–5pm|2510 Hemphill St., Greenville, TX
$2,285.99
Sig Sauer PMPX4B9 MPX K 9mm Luger Caliber with 4.50″ Barrel, 30+1 Capacity, Black Hard Coat Anodized Metal Finish, Folding Pivoting Contour Brace Stock & Black Polymer Grip Right Hand
Available to order: Out of stock
The MPX K offers a closed bolt gas piston system that is ultra reliable and durable. The MPX K is modular allowing for multiple handguard and barrel lengths and is ready to go for suppressor use. It features the SIG PCB folding brace which allows the K to fold into an ultra-compact size and be operable in the folded position. The K features an updated M-LOK handguard and Timney Trigger. Includes 35rd polymer magazine.
| upc | 798681666744 |
|---|---|
| manufacturer | Sig Sauer |
| Manufacturer Part Number | PMPX-4B-9-35 |
| Action | Semi-Auto |
| ATF Type | Pistol |
| Barrel Finish | Black |
| Barrel Length | 4.5" |
| Caliber/Gauge | 9mm |
| Capacity | 35 + 1 |
| Length | 31.8000 |
| Magazine Included | 1 x 35-Round |
| Model | MPX |
| Number of Magazines | 1 35 rd. |
| Package Height | 4.3 |
| Package Width | 12.5 |
| Product Type | Semi-Auto Pistol |
| Rate of Twist | 1-in-10" |
| Safety | Lever Action |
| Shipping Weight | 7.75 |
| Sights | No Sights |
| Sights Type | NONE |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
| Thread Pattern | M13.5x1mm tpi |
| Units per Box | 1 |
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October 20, 2026
The $200 tax stamp is gone for suppressors and SBRs, and ATF has stopped enforcing Form 4 approval. Here is what still applies to Texas gun owners.
Learn More
October 13, 2026
ATF will no longer enforce Form 4 approval or tax stamps for suppressors, SBRs, SBSs and AOWs. Here's what changes for Texas buyers.
Learn More
June 11, 2026
The federal suppressor tax stamp dropped from $200 to $0 in 2026, making suppressor ownership more accessible than in decades.
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