Sig Sauer MPX K Pistol 9mm Luger 4.5″ Barrel with PCP Folding Brace 30 Round Polymer Black
Regarding the Timney trigger and muzzle device, Cowan had this to say:
“The Timney trigger is probably my favorite feature about the gun. It’s a straight bow profile, single-stage [trigger]. It’s got a really clean pull and a really quick re-set which allows you to run this gun as quickly as you can get the reticle back.
“What I gained in some of the recoil-pulse management you get from the short-stroke piston, I lose because of the barrel, I found. I’m using their OEM muzzle device because I can’t just readily throw another muzzle device on it… I can’t, [not] without some sort of special-fangled adapter or special-order parts, because of the left-hand thread metric. Why they didn’t go with 1/2×28 like the rest of the freedom-loving PCC world – especially the 9mm variety – I have no idea.”
Check out the video to find out what else Cowan had to say about the Sig MPX K 9mm PCC.
Aaron Cowan puts this PCC through a 2,000-round test, 500 rounds of which are a “burndown test.” He states the trigger and barrel had no problem with the rapid-fire test, which is always a very good sign. There were no failures to feed. Cowan does state the PCC is a bit more uncomfortable to shoot at that rate for an extended period due in part to the short barrel length and shape of the stock. Of course, the average shooter isn’t going to undergo this type of sustained fire with their Sig MPX K.
Regarding the Timney trigger and muzzle device, Cowan had this to say:
“The Timney trigger is probably my favorite feature about the gun. It’s a straight bow profile, single-stage [trigger]. It’s got a really clean pull and a really quick re-set which allows you to run this gun as quickly as you can get the reticle back.
“What I gained in some of the recoil-pulse management you get from the short-stroke piston, I lose because of the barrel, I found. I’m using their OEM muzzle device because I can’t just readily throw another muzzle device on it… I can’t, [not] without some sort of special-fangled adapter or special-order parts, because of the left-hand thread metric. Why they didn’t go with 1/2×28 like the rest of the freedom-loving PCC world – especially the 9mm variety – I have no idea.”
Check out the video to find out what else Cowan had to say about the Sig MPX K 9mm PCC.
The Sig MPX K is a quality carbine from a reliable, well-respected manufacturer. If you’re looking for a 9mm PCC, check it out, and if you’re not, you still might want to take a closer look just in case.
Sig MPX K Specifications
Caliber: 9x19mm
Action: Semi-automatic
Operating system: Gas Piston
Overall length: 22.25 inches
Overall width: 2.4 inches
Height: 8.0 inches
Weight: 5.0 pounds, empty
Threads: M13.5x1mm
Accessory rail: M-LOK
Barrel length: 4.5 inches
Barrel material: Cold hammer forged carbon steel
Twist rate: 1:10
Forend type: Alloy
Grip type: Polymer
Receiver finish: Hard coat anodized
Trigger: Timney Triggers Single Stage
SIG SAUER, Inc. is pleased to announce the ultra-compact SIG SAUER MPX Copperhead with new features, including a suppressor-ready barrel with A2 flash-hider, expanded 30-round magazine capacity, and a full-black finish is now available exclusively through the Bill Hicks distribution network.
The SIG MPX Copperhead is a sub-gun with in-field adaptability, unmatched performance, and familiar AR handling. Completely ambidextrous, the SIG MPX Copperhead is great for left- or right-handed shooters with its dual-sided selector switch, magazine release, charging handle and bolt release.
The SIG MPX Copperhead operates from a fully-closed and locked rotating bolt, offering enhanced reliability and safety in use. A short-stroke gas piston allows the SIG MPX Copperhead to run all weights and brands of 9mm ammunition with no adjustments to the gas valve.
The MPX Copperhead features a monolithic elite Series black anodized finish upper receiver, a 3.5” threaded suppressor-ready barrel with A2 flash hider, 2-position pistol contour brace with integrated brace knuckle, PDW pistol grip, a single-stage trigger, and ships with (1) 30-round polymer magazine.
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