Sig Sauer MPX PCC 9mm, 16-inch Semi-Auto Rifle, Short-Stroke Gas Piston, Folding/Telescoping Stock, M-LOK Handguard, Threaded Barrel
This Sig Sauer MPX PCC is a 9mm, 16-inch semi-automatic rifle built on a short-stroke gas piston system with a rotating bolt. It features a side-folding, telescoping stock on a 1913 rear interface, a free-float aluminum M-LOK handguard, and a threaded muzzle with a three-prong flash hider. The bore is excellent, and it comes with two magazines, including an extended 35-round option.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are mild wear marks and light scuffs from prior handling.
What’s Included
- Sig Sauer MPX PCC 9mm semi-automatic rifle
- 1x 35-round extended-length polymer MPX-pattern magazine (brand not confirmed)
- 1x 15-round SIG factory polymer MPX magazine
The MPX PCC uses a semi-automatic, short-stroke gas piston with a rotating bolt for reliable cycling. Controls include an AR-style rear charging handle and a manual safety with selector markings of S and 1. Ejection is to the right, and the receiver does not have a dust cover.
The 16-inch hammer-forged steel barrel has a 1:10 twist and is threaded, capped by a three-prong flash hider. The bore is clean with sharp rifling, indicating excellent internal condition.
Furniture and mounting surfaces are modern and modular. The rifle has a free-float aluminum M-LOK handguard with a slick top and no 12-o'clock Picatinny section, while the receiver provides a 12-o'clock Picatinny rail. It has no sights installed from the factory.
The rear 1913/Picatinny interface supports a side-folding, telescoping stock with a locking hinge and a 12.25-inch length of pull. A polymer pistol grip is installed. The aluminum-alloy receiver is marked "SIG MPX" and "MULTI-CAL" on the magwell with the SIG logo, and "SIG SAUER INC NEWINGTON NH USA" on the receiver. Stated maximum capacity is 35+1, and two magazines are included.